WO2002020879A1 - Procede de production d'une mince couche d'oxyde de composite, dispositif correspondant et mince couche d'oxyde de composite ainsi produite - Google Patents
Procede de production d'une mince couche d'oxyde de composite, dispositif correspondant et mince couche d'oxyde de composite ainsi produite Download PDFInfo
- Publication number
- WO2002020879A1 WO2002020879A1 PCT/JP2001/007280 JP0107280W WO0220879A1 WO 2002020879 A1 WO2002020879 A1 WO 2002020879A1 JP 0107280 W JP0107280 W JP 0107280W WO 0220879 A1 WO0220879 A1 WO 0220879A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thin film
- composite oxide
- layer
- target
- temperature
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 218
- 239000002131 composite material Substances 0.000 title claims abstract description 94
- 239000010408 film Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 53
- 238000000034 method Methods 0.000 claims abstract description 57
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims description 101
- 239000007789 gas Substances 0.000 claims description 51
- 238000004544 sputter deposition Methods 0.000 claims description 49
- 239000013078 crystal Substances 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 19
- 238000000151 deposition Methods 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 17
- 238000000407 epitaxy Methods 0.000 claims description 17
- 230000001590 oxidative effect Effects 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000000470 constituent Substances 0.000 claims description 12
- 229910052702 rhenium Inorganic materials 0.000 claims description 11
- 229910052720 vanadium Inorganic materials 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052745 lead Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 229910052707 ruthenium Inorganic materials 0.000 claims description 8
- 229910052718 tin Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 7
- 238000005477 sputtering target Methods 0.000 claims description 7
- 238000000427 thin-film deposition Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052732 germanium Inorganic materials 0.000 claims description 6
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 239000002887 superconductor Substances 0.000 claims description 5
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 3
- 238000007385 chemical modification Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052762 osmium Inorganic materials 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000001338 self-assembly Methods 0.000 claims description 3
- 239000013077 target material Substances 0.000 claims description 3
- 238000007740 vapor deposition Methods 0.000 claims description 3
- -1 T i Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 238000003892 spreading Methods 0.000 claims 1
- 239000013076 target substance Substances 0.000 claims 1
- 229910052716 thallium Inorganic materials 0.000 claims 1
- 238000003852 thin film production method Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 16
- 238000002441 X-ray diffraction Methods 0.000 description 12
- 238000009826 distribution Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006557 surface reaction Methods 0.000 description 3
- OMOVVBIIQSXZSZ-UHFFFAOYSA-N [6-(4-acetyloxy-5,9a-dimethyl-2,7-dioxo-4,5a,6,9-tetrahydro-3h-pyrano[3,4-b]oxepin-5-yl)-5-formyloxy-3-(furan-3-yl)-3a-methyl-7-methylidene-1a,2,3,4,5,6-hexahydroindeno[1,7a-b]oxiren-4-yl] 2-hydroxy-3-methylpentanoate Chemical compound CC12C(OC(=O)C(O)C(C)CC)C(OC=O)C(C3(C)C(CC(=O)OC4(C)COC(=O)CC43)OC(C)=O)C(=C)C32OC3CC1C=1C=COC=1 OMOVVBIIQSXZSZ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 229910004247 CaCu Inorganic materials 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005478 sputtering type Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4512—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing thallium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/002—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/225—Complex oxides based on rare earth copper oxides, e.g. high T-superconductors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
- H10N60/0296—Processes for depositing or forming copper oxide superconductor layers
- H10N60/0408—Processes for depositing or forming copper oxide superconductor layers by sputtering
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
- H10N60/855—Ceramic superconductors
- H10N60/857—Ceramic superconductors comprising copper oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3215—Barium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3239—Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3241—Chromium oxides, chromates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3256—Molybdenum oxides, molybdates or oxide forming salts thereof, e.g. cadmium molybdate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3258—Tungsten oxides, tungstates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3286—Gallium oxides, gallates, indium oxides, indates, thallium oxides, thallates or oxide forming salts thereof, e.g. zinc gallate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3287—Germanium oxides, germanates or oxide forming salts thereof, e.g. copper germanate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3289—Noble metal oxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3293—Tin oxides, stannates or oxide forming salts thereof, e.g. indium tin oxide [ITO]
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3296—Lead oxides, plumbates or oxide forming salts thereof, e.g. silver plumbate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
Definitions
- the present invention relates to a method and an apparatus for producing a composite oxide thin film and a composite oxide thin film produced by this method.
- composite oxide materials In recent years, ferroelectric materials, oxide magnetic materials, oxide semiconductor materials, non-linear optical materials, insulator materials, transparent materials, low dielectric materials, and oxide superconductivity materials have been used as composite oxide materials. Attention has been paid. These composite oxide materials are formed by laminating phases having different compositions, lattice constants, or crystal structures. For this reason, it has been difficult to obtain a composite oxide material having good crystallinity grown by epitaxy at each phase.
- a Cu-based superconducting material which has been attracting attention as an oxide superconducting material, has a crystal structure in which a charge supply layer and a superconducting layer are stacked in a c-axis direction.
- To realize a Cu-based superconducting material with excellent superconducting properties it is necessary to realize a crystal structure with an excellent c-axis alignment force between the charge supply layer and the superconducting layer.
- the charge supply layer and the superconducting layer have a large lattice non-age, it is difficult to grow the charge supply layer and the superconducting layer by a single method. It was difficult to grow the charge supply layer and the superconducting layer by epitaxy.
- the high-pressure synthesis method or the method for producing Cu-based superconducting materials by T1 or Hg treatment is expensive, it is difficult to obtain an awake thin film, it is difficult to mass produce, and toxicity is high. There was a problem such as there is.
- it is difficult to produce a substrate lattice structure with high reproducibility by arbitrarily controlling the base lattice structure and requires a high-temperature and long-time treatment in an oxidizing atmosphere or a reducing atmosphere after the fabrication.
- a high temperature is required during fabrication, and therefore, a high-temperature material for bonding a crystal substrate to produce a crystal thin film with excellent c-axis orientation. The fee was limited.
- the present invention provides a composite oxide that can be easily manufactured at low temperature without using high temperature and pressure, excellent in crystallinity, arbitrarily controlling the basic unit cell structure, and not requiring post-heat treatment. It is an object of the present invention to provide a method and an apparatus for producing a system thin film and a composite oxide film produced by the method. Disclosure of the invention
- the manufacturing method of the present invention combines physical control of the structure and film thickness, self-assembled self-formation, surface diffusion, and epitaxy growth on an oriented crystal substrate. To produce a composite oxide thin film at a low temperature.
- the composite oxide thin film is a ferroelectric thin film, an oxide magnetic thin film, an oxide semiconductor thin film, a nonlinear optical thin film, an insulator thin film, a transparent electrode film, a low dielectric film, and an oxide superconducting thin film.
- each sputtering target having the atomic composition of each phase constituting the composite oxide-based thin film is alternately applied to each target in the basic unit cell of the composite oxide. This is performed by controlling the film thickness of the phase and performing sputtering to laminate the layers.
- the aforementioned 33 ⁇ 4 plane diffusion is characterized in that the surface atoms of the composite oxide in the stack move on the surface and are arranged at the lattice points of the phase at a predetermined substrate temperature.
- the chemical self-formulation is achieved by the reaction promoting property and the structural stability of the specific phase by the constituent atoms of the specific phase of the composite oxide-based thin film or by substituting a part of the atoms with the specific atoms.
- the purpose is to promote lattice formation and / or improve the lattice properties of a specific phase and other phases laminated on this phase by chemical modification to promote substance formation. It will be a mound.
- the chemical self-forming controls the concentration of holes in a specific phase of the composite oxide-based thin film by controlling the oxygen concentration of a specific phase of the composite oxide-based thin film.
- the feature is to improve the lattice property of other phases to be stacked on the phase. With these configurations, the hole concentration force of a specific phase of the composite oxide-based thin film is increased, the ion bonding property is increased, and the lattice property between the specific phase and another phase forming this phase is improved.
- a composite oxide thin film with good crystallinity can be produced.
- the epitaxy growth using the oriented crystal substrate is characterized in that a buffer layer having lattice matching is laminated on the oriented crystal substrate, and a layer composed of another phase is laminated on the buffer layer, thereby performing epitaxy growth.
- a buffer layer having lattice matching is laminated on the oriented crystal substrate, and a layer composed of another phase is laminated on the buffer layer, thereby performing epitaxy growth.
- the physical control of the composition and film thickness of the charge supply layer and the superconducting layer, which are the constituent phases of the Cu-based high-temperature superconducting thin film, in the method for producing the Cu-based high-temperature superconducting thin film as an oxide superconducting thin film That is, the target for the charge supply layer having the composition of the charge supply layer and the target for the superconducting layer having the composition of the superconducting layer are controlled by alternately controlling the film thickness and sputtering.
- the charge supply layer and the superconducting layer can be laminated while controlling the composition and film thickness.
- the chemical self-formation is achieved by promoting the reaction promotion property and the stabilization of the structure of the charge supply layer by the Cu atom itself in the charge supply layer or by replacing a part of the atom with a specific atom. It is characterized in that the layer and the superconducting layer are lattice-matched to promote material formation.
- the self-chemical self-formation is characterized by controlling the hole concentration of the charge supply layer by controlling the oxygen concentration of the charge supply layer and causing the charge supply layer and the superconducting layer to be latticed. .
- the hole concentration in the charge supply layer is increased, the ionic bonding property is increased, and the lattice age between the charge supply layer and the superconducting layer is improved.
- a method of replacing a part of Cu atoms in the charge supply layer with a specific atom is as follows.
- the present invention is characterized in that a charge supply layer is formed by sputtering a supply layer evening get. With this configuration, a charge supply layer having a composition in which some of the Cu atoms are replaced with specific atoms can be stacked.
- the method of increasing the oxygen concentration in the charge supply layer and the superconducting layer is characterized in that an oxidizing gas of a predetermined pressure is mixed into a sputtering gas atmosphere when sputtering the charge supply layer and the Z or superconducting layer. I do. With this configuration, a charge supply layer having a high concentration can be stacked.
- a buffer layer consisting of a charge supply layer in which part of Cu atoms are replaced with specific atoms or a buffer layer consisting of elements with good lattice matching is laminated on the oriented crystal substrate. Then, it is characterized in that a superconducting layer is stacked on the buffer layer and epitaxially grown. With this configuration, lattice mismatch between the oriented crystal substrate and the superconducting layer can be mitigated, a superconducting thin film having good crystallinity can be laminated, and the type of oriented crystal substrate that can be used is determined. Can be increased.
- a target for a mixed oxide thin film in which a predetermined amount of a specific atom is mixed on an oriented crystal substrate heated to a predetermined substrate temperature in a vacuum chamber.
- a buffer or a target of a substance having a good lattice property to form a buffer layer and then introduce an oxidizing gas into the vacuum chamber at a predetermined pressure.
- the target composed of the atomic composition of the first phase of the oxide-based thin film is sputtered and stacked by the thickness of the first phase in the basic unit cell of the composite oxide-based thin film.
- a target composed of the atomic composition of the second phase of the composite oxide thin film is sputtered and laminated by the thickness of the second phase in the basic unit cell of the composite oxide thin film.
- the same process as (a) or (b) above is performed only for the types of phases constituting the oxide thin film. It is a special feature that the steps (a), (b), and (c) or the iTC process thereof are repeated to produce a composite oxide thin film having a predetermined thickness.
- the oriented crystal substrate and each phase constituting the composite oxide thin film can grow epitaxially with lattice matching, and can be laminated while controlling the thickness of each phase.
- a composite oxide thin film having a unit cell can be manufactured.
- the substrate is heated to a predetermined temperature and laminated in an oxidizing atmosphere, the surface diffusion and surface reaction of the constituent atoms occur layer by layer, and epitaxy grows layer by layer. Furthermore, a composite oxide-based thin film can be obtained in situ (in the same bath) without breaking vacuum and as grown.
- a charge supply layer target in which a predetermined amount of a specific atom is mixed is spattered on a oriented crystal substrate heated to a predetermined substrate temperature in a vacuum chamber.
- a buffer layer is laminated, an oxidizing gas is introduced into the vacuum chamber at a predetermined pressure, and (a) a target for a superconducting layer is sputtered on the buffer layer to form a Cu-based high-temperature superconducting thin film.
- the charge supply layer in the basic unit lattice of the Cu-based high-temperature superconducting thin film is formed by laminating the target for the charge supply layer on this layer. Are laminated by the thickness of.
- the method is characterized in that the steps or steps (a) and (b) are repeated to produce a Cu-based high-temperature superconducting thin film having a predetermined thickness.
- the orientation crystal substrate, the charge supply layer, and the superconducting layer can be laminated by controlling the thickness of the superconducting layer by controlling the thickness of the charge supplying layer and the thickness of the superconducting layer.
- a Cu-based high-temperature superconducting thin film having a lattice (eg, Cu — 1223, Cu-1234, and Cu-1245) having a desired thickness can be formed.
- the substrate is heated to a predetermined temperature and stacked in an oxidizing atmosphere, the surface diffusion and surface reaction of the constituent atoms occur for each layer, and epitaxy grows for each layer.
- a charge supply layer target obtained by mixing a predetermined amount of a specific atom on a directional crystal substrate heated to a predetermined substrate temperature in a vacuum chamber is sputtered.
- a buffer layer is laminated, and then an oxidizing gas is introduced into the vacuum chamber at a predetermined pressure, and (a) a target for a superconducting layer is sputtered on the buffer layer to form a Cu-based high-temperature superconducting thin film base:
- the superconducting layer is stacked by the thickness of the superlattice layer, and a target for the charge supply layer is sputtered on this layer to form the basic unit of the Cu-based high-temperature superconducting thin film. Laminate only by that amount.
- Steps (a) and (b) above The above process is repeated to produce the above-mentioned Cu-based high-temperature superconducting thin film having a predetermined thickness.
- (c) a target made of an insulator is spaked, and a predetermined thickness of the Cu-based high-temperature superconducting thin film is formed.
- the method is characterized in that an insulating layer is formed, and then the steps (a) and (b) or the iTC is repeated to produce a predetermined Cu-based high-temperature superconducting thin film.
- a Josephson junction device or the like having an insulator sandwiched between superconducting thin films as a barrier can be formed in situ, without breaking a vacuum, and with asgr 0 wn.
- Particular atoms replacing some of the Cu atoms are T1, Bi, Pb, In, Ga, A1, B, Sn, Ge, Si, C, Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, W, Re, Ru, 0s are one or more elements.
- the honole concentration can be increased by appropriately selecting the ionic valence, ionic radius, and oxygen coordination number of these atoms.
- the oxidizing gas is directed to FEATURE: the 0 2, 0 3, and N 2 0, NO or N0 2,. According to this configuration, ⁇ coordinated to Cu in the charge supply layer is added, and the hole concentration increases.
- the composite oxide-based thin film manufacturing apparatus of the present invention includes a sputter thin film manufacturing chamber, a load lock chamber, a plurality of systems of sputtering power supplies, a substrate holding / rotating / heating device, a shutter and a substrate rotation control device, and a gas flow rate.
- 'It has a pressure control device, two exhaust systems, and a control computer, and can realize the composite oxide thin film according to claim 1.
- the sputtering thin film production chamber is provided with at least two or more vertically arranged shutters, a shutter arranged in parallel with these target surfaces, and a substrate which is formed in a manner that the substrate surface is a target surface. It has a substrate holding, rotating, and heating device that is arranged parallel to the line direction and outside of the sputter plasma, rotates, and heats.
- the substrate In the mouth lock chamber, the substrate can be replaced without breaking the vacuum in the sputtering thin film production chamber, and the load lock chamber is provided with vapor deposition means. According to this configuration, Josephson junction devices and the like, in situ, without breaking the vacuum, And an electrode can be formed by asgro wn.
- the plurality of systems of the sputtering power source, the substrate holding / rotating / heating device, the shutter and the substrate rotation controlling device, the gas flow rate and the pressure controlling device, and the humidifying system exhausting device each have a power and a temperature of 1 degree.
- the sputtering target having the atomic composition of each phase constituting the composite oxide-based thin film is alternately alternately formed with the film thickness of each phase in the basic unit cell of the composite oxide.
- the laminating process is carried out in the following manner: a computer for controlling—in the evening, the sputtering power of each substrate having the atomic composition of each phase, the substrate rotation speed 'temperature, gas flow' pressure, and the degree of vacuum , The deposition time of each material determined from the thin film deposition rate of each target material and ⁇ ? In the basic unit cell of each layer, and the number of repetitions corresponding to the thickness of the composite oxide thin film to be produced.
- a plurality of sputtering power supplies, substrate holding / rotating / heating devices, the shutters and the It is characterized by controlling a gas rotation control device, a gas flow rate pressure control device, and a system exhaust device, whereby a composite oxide thin film can be obtained.
- the charge supply layer and the superconducting layer constituting the Cu-based high-temperature superconducting thin film, the charge supply layer target and the superconducting layer target are each controlled alternately.
- the control computer sends the target for the charge supply layer and the target for the superconducting layer each sputtering power, substrate rotation speed, temperature, gas flow rate, pressure, degree of vacuum, and each target. Enter the deposition time of each material determined from the material thin film deposition rate and the film thickness of each layer in the basic unit lattice, and the number of repetitions corresponding to the film thickness of the Cu-based high-temperature superconducting thin film to be prepared.
- Control computer programmed based on these input values, communication with terminal computer, multiple systems of power supply, substrate holding, rotation, heating device, shutter and shutter It controls the rotation control device, the gas flow rate 'pressure control device, and the two exhaust systems.
- the recording medium that describes the composite oxide thin film manufacturing program is a recording medium that stores a program for controlling a composite oxide thin film manufacturing apparatus by a computer.
- a composite oxide-based thin film as large as 100 to 100 atomic layers can be accurately manufactured without manual operation.
- a record recording a program for controlling the production of a Cu-based high-temperature superconducting thin film by a computer wherein the control program comprises a target for a charge supply layer and a target for a charge supply layer.
- the substrate rotation speed 'temperature, gas flow rate' pressure, degree of vacuum, the thin film deposition rate of each of the above materials, and the film thickness of each layer in the basic unit cell Based on the input time of each material to be determined and the number of repetitions corresponding to the film thickness of the Cu-based high-temperature superconducting thin film to be produced, through the communication with the terminal computer, It is characterized by controlling a substrate holding, a rotation, a heating device, the shutter and shutter rotation control device, a gas flow rate, a pressure control device, and a plurality of exhaust systems.
- a Cu-based high-temperature superconducting thin film having a thickness of 100 to 100 atomic layers can be accurately manufactured without manual operation.
- Oxide-based thin films and Cu-based high-temperature superconducting thin films can be produced.
- I ⁇ formula: C u ix M x (B a iy S r y) 2 C a "-i C u n 0 2n + y; M T l, B i, Pb, I n, Ga, A 1, One element of B, Sn, Ge, Si, C, Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, W, Re, Ru, 0s or Multiple elements; 0 ⁇ ⁇ ⁇ 1.0, 0 ⁇ 1, 0 ⁇ z ⁇ l, -2 ⁇ w ⁇ A, 3 ⁇ n ⁇ l5 Has excellent superconducting properties and can be manufactured very easily.
- M T 1, B i, Pb, In, Ga, A 1, B, Sn, Ge, Si, C, Ti, V, Cr, Mn, Fe, Co , Ni, Zr, Nb, Mo, W, Re, Ru, Os; one or more elements;
- L Mg, one element or a humidifier element; 0 ⁇ 1.0, (Cu, M) high-temperature superconducting thin films represented by 0 ⁇ 1, Q ⁇ z ⁇ l, -2 ⁇ w ⁇ A, 3 ⁇ n ⁇ 16 have excellent superconductivity and extremely It can be easily manufactured further, produced in any method or apparatus of the present invention, I ⁇ formula:.
- I ⁇ formula: Cu: - X T 1 ( B a S r y) 2 (C a z L z) 2 C u 3 0 10 - w; L M g, Al force One or more metal elements; 0 1, ⁇ 1, Q ⁇ z ⁇ l, ⁇
- L Mg, Al metal element or elements; 0 ⁇ 1, 0 ⁇ ⁇ 1, 0 ⁇ ⁇ 1, -2 ⁇ w ⁇ A, 3 ⁇ n ⁇ 1 6
- the (Cu, Re) -based high-temperature superconducting thin film represented by It has excellent conductivity and can be manufactured very easily.
- I ⁇ formula C ui- M (B a iy S r y) (C a L z) n C u 3 O n + 4 - w;
- M Ti, V, Cr, B, Ge, Si, C;
- L Mg, one or more alkali metal elements;
- the (Cu, M) -based high-temperature superconducting thin film represented by,-2 ⁇ w ⁇ A and 3 ⁇ n ⁇ 16 has excellent superconducting properties and can be manufactured extremely easily.
- FIG. 1 is a diagram showing a basic unit cell structure of a typical Cu-based high-temperature superconductor.
- FIG. 2 is a schematic view of an entire apparatus for producing a composite oxide thin film. .
- FIG. 3 is a schematic top perspective view of a sputtering thin film production chamber.
- FIG. 4 is a schematic side perspective view of a sputtering thin film production chamber.
- FIG. 5 is a graph showing a distribution of a deposition rate in a direction perpendicular to a target surface of the composite oxide-based thin film manufacturing apparatus of the present invention.
- FIG. 6 is a graph showing a distribution of a deposition rate in a direction parallel to a target surface of the composite oxide-based thin film manufacturing apparatus of the present invention.
- Figure 7 is a graph showing a composition ratio distribution of the constituent atoms of the vertical charge supply layer and the superconducting layer of the gas composition of the sputtering atmosphere (A rX0 2) the parameters one coater to evening one Getting Bok surface.
- Figure 8 is a one target surface data showing a composition ratio distribution of the constituent atoms of the horizontal charge supply layer and the superconducting layer of the gas of the sputtering atmosphere, the composition of (A r / 0 2) in the parameter one coater .
- FIG. 9 is a flowchart of a program for manufacturing a composite oxide thin film.
- FIG. 10 is a graph showing an X-ray diffraction measurement result of a Cu-based high-temperature superconducting thin film manufactured by using the method and the apparatus of the present invention.
- FIG. 11 is a graph showing the results of X-ray diffraction measurement of a CuT1-1234-based high-temperature superconducting thin film produced using the method and the apparatus of the present invention.
- FIG. 12 is a graph showing the results of X-ray diffraction measurement of a Cu-1245-based high-temperature superconducting thin film produced using the method and apparatus of the present invention.
- CuBa 2 0 - the target for the charge supply layer having a composition of charge supply layer 1 made of 7, C a n - i C u n 0 2n formed of (n 3 to 5) superconducting layer 2
- a superconducting layer gate having the following composition is prepared separately, and these targets are alternately sputtered and laminated while controlling the time to produce a Cu-based superconducting thin film.
- the film deposition rate from a target for the charge supply layer and a target for the superconducting layer set in advance are determined.
- a target having a uniform composition is used to form the charge supply layer 1 and the superconducting layer 2 having a uniform composition, and the film thickness is controlled by the sputtering times t 1 and t 2.
- a Cu-based superconducting thin film having a basic unit cell can be produced. Furthermore, by setting the substrate temperature to an appropriate temperature, the constituent atoms on the surface of the layer are subjected to surface diffusion and surface reaction to improve epitaxy growth between layers.
- the chemical self-formation in the present invention refers to replacing a specific constituent atom of a material with another highly reactive and highly controllable atom in the crystal structure of a substance to be realized, or It refers to the addition of other highly reactive and highly controllable atoms to a substance, that is, the chemical modification of the source and the substance to make this structure more realizable.
- the lengths of the a-axis of the charge supply layer 1 and the superconducting layer 2 are different. Therefore, the lattice ages of the charge supply layer 1 and the superconducting layer 2 are poor. It is difficult to form a single crystal structure in which the supply layer 1 and the superconducting layer 2 are epitaxially grown.
- the Cu atoms in the charge supply layer 1 are replaced with atoms having a larger ionic valence than the Cu atoms, a relatively small ion radius, a coordination number of 6 or more, and a specific ratio (C u ix M x B a 2 0 , - ⁇ ; M is a substituted atom), the charge supply layer 1 of hole concentration force Soe, increased ionic bonding of the charge supply layer 1, shortened C u O bond length force . Due to this effect, the length of the a-axis of the charge supply layer 1 and the superconducting layer 2 approaches the lattice force, and the lattice becomes belly. As a result, a single crystal structure in which the charge supply layer 1 and the superconducting layer 2 grow epitaxially is obtained.
- the atom having this effect is one or more elements such as a transition metal element in addition to T1.
- the ion valence of Cu increases, the ion bonding property of the charge supply layer 1 increases, and the Cu 0 bond length increases. Shorten. However, if the valence of Cu is too high, it becomes unstable. Therefore, it is necessary to replace a part of Cu with a high-valent ion.
- the length of the a-axis of the charge supply layer 1 and the superconducting layer 2 approaches the lattice force, and the lattice aging property is improved, and the charge supply layer 1 and the superconducting layer 2 grow epitaxially. A single crystal structure is obtained.
- the target Bok for charge supply to replace the Cu atom in a specific ratio Cui- X M x B a 2 0 4 - y (M is a substituted atom) Ri by the the use of the target composition
- the a-axis lengths of the charge supply layer 1 and the superconducting layer 2 are made closer by reactive sputtering by mixing an oxidizing gas into the sputtering atmosphere, thereby improving the lattice property and making the charge supply layer 1
- a single crystal structure obtained by epitaxial growth with the conductive layer 2 is obtained.
- epitaxy growth on an oriented substrate will be described.
- the types of oriented crystal substrates that can be used for Cu-based superconducting thin films are limited.
- the orientation crystal substrate is widely used, there is a S r T i 0 3.
- the lattice constant of S r T i 0 3 a-axis is 0. 390 nm
- the lattice constant of a-axis of the superconducting layer C aCu0 2 is a 0. 384 nm
- Epitakishi one in lattice mismatch this ⁇ It was a viable and could only be realized in a limited temperature range.
- a silicon steel sheet can be used as the oriented crystal substrate.
- SAE Self Assemb 1 ing Epitaxy
- FIG. 2 is a schematic diagram of the entire device.
- FIG. 3 is a schematic top perspective view of a sputtering thin film production chamber.
- FIG. 4 is a schematic side perspective view of a sputtered thin film production chamber.
- This equipment consists of a sputter thin film production chamber 3 which is an ultra-high vacuum deposition chamber (basic pressure 1 X 10-7 T 0 rr), and a mouth drop connected to this thin film production chamber 3 via a gate valve. And a control computer 5.
- the sputtered film produced chamber 3 three types of sputtering 'target (sintered B a 2 Cu0 2 and C aCu0 2 and insulator)
- sputter electrodes 6 vertically mounted with a target, and a shutter 7 provided in close proximity to cover these target surfaces.
- the shutter 17 is independently driven by a shutter rotation control device (not shown) to control deposition and non-deposition of a thin film on a substrate by sputtering.
- the substrate is placed in the substrate holding / rotating / heating device 8 to control the rotation and temperature of the substrate.
- the installed substrate surface is disposed parallel to the normal direction of the above-mentioned evening get surface and outside the sputter plasma.
- reference numeral 9 denotes a shutter for preventing contamination of the substrate surface.
- the main parts and parts of the above-mentioned equipment are configured to have commonality and compatibility with the Josephson junction characteristic evaluation equipment and laser ablation (pulse laser deposition: PLD).
- Fig. 5 shows the distribution of deposition rate in the direction perpendicular to the target surface of this apparatus.
- Figure 6 shows the distribution of the deposition rate in the direction parallel to the target surface of this device.
- the substrate temperature is at room temperature
- the composition ratio distribution of the constituent atoms of the vertical charge supply and superconductivity layer of the target surface the gas composition of the sputtering atmosphere (A r / 0 2)
- the parameters one Fig. 8 shows the composition ratio distribution of the constituent atoms of the charge supply layer and the superconducting layer in the horizontal direction on the target surface when the substrate temperature was room temperature. r / 0 2 ) is shown as a parameter.
- composition distribution has a very small area force at a specific gas composition.
- the mouth lock chamber 4 has a transfer mouth 10 that enables the substrate to be replaced without breaking the vacuum in the sputtering thin film production chamber, and has a sputtering chamber in the load lock chamber 4 for producing electrodes and the like. Equipped with hand g and Z or vapor deposition means.
- the sputtering thin film production chamber 3 has two systems, a sputter power supply, a substrate holding / rotating 'heating device 8, a shutter 7 and a shutter rotation control device, a gas flow rate' pressure control device. Based on the output of this terminal computer, an exhaust device, a sensor for measuring the power, the temperature, the position, the gas flow rate, the pressure, and the degree of vacuum, and a terminal computer for controlling the operation of each device. It has a communication device with the control computer 5 and has a communication means with the control computer 5 to drive the L-time device based on the communication with the control computer and the sensor output. This is the configuration to control.
- the sputtering power of the target for the charge supply layer and the target for the superconducting layer, the substrate rotation speed 'temperature, the gas flow rate', the pressure, and the degree of vacuum correspond to each evening target.
- a control computer programmed based on these input values.
- the program for manufacturing a Cu-based high-temperature superconducting thin film is a program for controlling the production of a Cu-based high-temperature superconducting thin film by a computer.
- the control program includes a target for a charge supply layer and a superconducting layer. Power of each target, substrate rotation speed 'temperature, gas flow rate' pressure, degree of vacuum, shutter opening time corresponding to each target, and Cu-based high-temperature superconducting thin film Based on the input value of the number of repetitions corresponding to the film thickness, through communication with the terminal computer, multiple systems of sputter power supply, substrate holding, rotation, heating device, shutter and shutter one-rotation control device, gas flow rate, It controls the pressure control device and the two exhaust systems.
- FIG. 9 shows a flowchart of a composite oxide thin film manufacturing program. This example shows an example of manufacturing using a 3 ⁇ 1 target.
- control computer 5 first, the substrate temperature, the substrate once 3 ⁇ 4 ⁇ degree, the flow rate and pressure of A r and Sani ⁇ gas (0 2 or N 2 0), data one target eight made of a material A, a substance B
- the control computer 5 controls a plurality of systems of sputtering power supply, substrate holding and rotation • heating device, shirt and shutter rotation control device, gas flow rate and pressure control device, and two systems of exhaust.
- Each control command is output to each device which is a device.
- the control computer 5 executes the process indicated by process A in FIG. That is, a control command to turn on the sputter power supply of the target A is output, and after a waiting time A, a control command to open the shutter of the target A is output.
- the control command for shutting off the target is output, and the control command for the sputtering power supply 0 FF for target A is output.
- the control computer 5 executes the same process as the process A shown by the process B in FIG. That is, a control command to turn on the sputtering power source of target B is output, and after waiting time B, a control command to open the shutter of target B is output. A control command to close is output, and a control command to turn off the sputtering power of target B is output.
- the control computer 5 executes the same steps as the processes A and B indicated by the process C in FIG. This step is the same as the description of the above processes A and B, and will not be described.
- control computer 5 increases the number of repetitions in which the initial value is set to 0 by one, compares this number of repetitions with the previously entered number of repetitions, and determines that the number of repetitions is less than the number of repetitions. In this case, return to the sputtering power supply of get A in the evening, and thereafter, the steps including the above processes A, B, and C are repeated.
- control When the number of repetitions is equal to the number of repetitions, the computer 5 outputs a device termination setting control command to each of the devices, and receives a response indicating the completion of the control command from the terminal computer of each control device. After that, the control ends.
- FIG. 9 illustrates the case where there are three types of targets. Even in the case of a composite oxide thin film that requires four or more types of targets, the program shown in FIG. E,. It is clear that it can be supported by adding and programming like '.
- FIG. 10 shows the results of X-ray diffraction measurement of a Cu-based high-temperature superconducting thin film produced using the method and apparatus of the present invention.
- the diffraction peak of the superconducting layer is only a diffraction peak corresponding to the diffraction of the c-plane of the C a C u0 2 crystals are observed. That is, the superconducting layer CaCu0 2, the charge supply layer Tl B a 2 Cu0 5 - show that c-axis oriented are epitaxially grown on the y.
- Example 2
- FIG. 11 shows the results of X-ray diffraction measurement of a CuT1-1234-based high-temperature superconducting thin film produced using the method and apparatus of the present invention.
- a N 2 0 As oxidizing atmosphere gas, a N 2 0, have use the STO (S r T i 0 3 ) in the substrate, was prepared at a substrate temperature of 520 ° C.
- the X-ray diffraction pattern in Fig. 11 is formed by peaks corresponding to CuT1-1234, and the c-axis lattice constant is 1.879 nm. You can see that it was made.
- the measurement of the AC susceptibility of this Cu T 1-1234 based high-temperature superconducting thin film showed that T c (superconducting critical temperature) was about 20 K.
- FIG. 12 shows an X-ray diffraction measurement result of a Cu — 1245-based high-temperature superconducting thin film produced using the method and the apparatus of the present invention.
- oxidizing atmosphere gas a N 2 0, using NdGa0 3 substrate was prepared at a substrate temperature of 520 ° C.
- the X-ray diffraction pattern in Fig. 12 is formed by the peak corresponding to Cu_l 245, and the c-axis lattice constant is 20,000 nm. I understand.
- the high-temperature superconducting thin film that can be produced by using the method and the apparatus of the present invention is not limited to the Cu-based high-temperature superconducting thin film described above.
- This paper uses a Cu-based high-temperature superconducting thin film with the composition shown below.
- a Cu-based high-temperature superconducting thin film having excellent superconductivity can be produced very easily.
- a Cu-based high-temperature superconducting thin film represented by the crystal structures of Cu-1223, Cu_1234, and Cu-1245, which has the formula: C i — Mx (B ai- y S r y) 2 C a "-i C Un 0 2 n + 4- y; M T 1, B ⁇ , Pb, I n, G a, A 1, B, Sn, G e, S i , C, Ti, V, Cr, Mn, Fe, Co, Ni, Zr, Nb, Mo, W, Re, Ru, 0s One or more elements; 0 ⁇ x ⁇ 1 0, 0 ⁇ 1, 0 ⁇ ⁇ 1, — 2 ⁇ w ⁇ 4, 3 ⁇ n ⁇ l 5 (C u, M)
- the present invention can provide a method and apparatus for producing a composite oxide thin film which can be produced in a wide range, and a composite oxide thin film produced by the method.
- Ferroelectric materials, oxide magnetic materials, oxide semiconductor materials, nonlinear optical materials It is extremely useful as an insulator material, a transparent electrode material, a low dielectric material, and an oxide superconducting material.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01958485A EP1342820A4 (en) | 2000-09-01 | 2001-08-24 | MIXING OXIDE THIN FILM MANUFACTURING METHOD, MIXED OXIDE FILMS PRODUCED THEREFOR AND THEREFOR |
US10/363,050 US7335283B2 (en) | 2000-09-01 | 2001-08-24 | Production method for composite oxide thin film and device therefor and composite oxide film produced thereby |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-266132 | 2000-09-01 | ||
JP2000266132A JP3579690B2 (ja) | 2000-09-01 | 2000-09-01 | 複合酸化物系薄膜の作製方法及びその装置並びにそれにより作製した複合酸化物系薄膜。 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002020879A1 true WO2002020879A1 (fr) | 2002-03-14 |
Family
ID=18753278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/007280 WO2002020879A1 (fr) | 2000-09-01 | 2001-08-24 | Procede de production d'une mince couche d'oxyde de composite, dispositif correspondant et mince couche d'oxyde de composite ainsi produite |
Country Status (4)
Country | Link |
---|---|
US (1) | US7335283B2 (ja) |
EP (1) | EP1342820A4 (ja) |
JP (1) | JP3579690B2 (ja) |
WO (1) | WO2002020879A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060281310A1 (en) * | 2005-06-08 | 2006-12-14 | Applied Materials, Inc. | Rotating substrate support and methods of use |
JP5618971B2 (ja) * | 2011-11-28 | 2014-11-05 | 株式会社フジクラ | 光ファイバの製造方法、制御装置、及びプログラム |
JP5801755B2 (ja) * | 2012-05-28 | 2015-10-28 | 日本電信電話株式会社 | 超伝導体の作製方法 |
CN103088295A (zh) * | 2013-01-28 | 2013-05-08 | 湖北大学 | 一种巨红移高吸收钒镓共掺杂氧化钛薄膜的制备方法 |
US11393970B2 (en) | 2016-08-30 | 2022-07-19 | University Of Houston System | Quality control of high performance superconductor tapes |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05279192A (ja) * | 1992-03-27 | 1993-10-26 | Nec Corp | 酸化物超電導薄膜合成方法 |
JPH10236821A (ja) * | 1997-02-28 | 1998-09-08 | Agency Of Ind Science & Technol | 不確定性原理に基づく低異方性高温超伝導体とその製造方法 |
JPH11278996A (ja) * | 1998-03-27 | 1999-10-12 | Agency Of Ind Science & Technol | 酸化物薄膜の結晶成長方法 |
JP2000086388A (ja) * | 1998-09-11 | 2000-03-28 | Japan Science & Technology Corp | コンビナトリアル分子層エピタキシー装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963524A (en) * | 1987-09-24 | 1990-10-16 | Semiconductor Energy Laboratory Co., Ltd. | Sputtering device for manufacturing superconducting oxide material and method therefor |
US5132280A (en) * | 1987-09-25 | 1992-07-21 | At&T Bell Laboratories | Method of producing a superconductive oxide layer on a substrate |
US4994435A (en) * | 1987-10-16 | 1991-02-19 | The Furukawa Electric Co., Ltd. | Laminated layers of a substrate, noble metal, and interlayer underneath an oxide superconductor |
EP0322306B1 (en) * | 1987-12-20 | 1995-09-20 | Sumitomo Electric Industries Limited | Process for producing a superconducting thin film |
DE3805010A1 (de) * | 1988-02-18 | 1989-08-24 | Kernforschungsanlage Juelich | Verfahren zur herstellung duenner schichten aus oxydischem hochtemperatur-supraleiter |
US4923585A (en) * | 1988-11-02 | 1990-05-08 | Arch Development Corporation | Sputter deposition for multi-component thin films |
CA2037795C (en) * | 1990-03-09 | 1998-10-06 | Saburo Tanaka | Process for preparing high-temperature superconducting thin films |
EP0461592B1 (en) * | 1990-06-11 | 1996-09-04 | Mitsubishi Chemical Corporation | Thin film Josephson device |
JPH04342497A (ja) * | 1991-05-20 | 1992-11-27 | Sumitomo Electric Ind Ltd | 複合酸化物超電導薄膜の成膜方法 |
US5629267A (en) * | 1992-06-16 | 1997-05-13 | Kabushiki Kaisha Toshiba | Superconducting element having an intermediate layer with multiple fluorite blocks |
JP2958455B1 (ja) * | 1998-03-27 | 1999-10-06 | 工業技術院長 | 酸化物薄膜の結晶成長方法 |
JP3023780B1 (ja) * | 1998-09-14 | 2000-03-21 | 工業技術院長 | Cu系高温超伝導材料 |
-
2000
- 2000-09-01 JP JP2000266132A patent/JP3579690B2/ja not_active Expired - Lifetime
-
2001
- 2001-08-24 EP EP01958485A patent/EP1342820A4/en not_active Withdrawn
- 2001-08-24 WO PCT/JP2001/007280 patent/WO2002020879A1/ja active Application Filing
- 2001-08-24 US US10/363,050 patent/US7335283B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05279192A (ja) * | 1992-03-27 | 1993-10-26 | Nec Corp | 酸化物超電導薄膜合成方法 |
JPH10236821A (ja) * | 1997-02-28 | 1998-09-08 | Agency Of Ind Science & Technol | 不確定性原理に基づく低異方性高温超伝導体とその製造方法 |
JPH11278996A (ja) * | 1998-03-27 | 1999-10-12 | Agency Of Ind Science & Technol | 酸化物薄膜の結晶成長方法 |
JP2000086388A (ja) * | 1998-09-11 | 2000-03-28 | Japan Science & Technology Corp | コンビナトリアル分子層エピタキシー装置 |
Non-Patent Citations (3)
Title |
---|
HIDEO IHARA ET AL.: "Cu-1234kei wo moto ni shita saikou seinou kouonn choudendou zairyou no sousei ni kansuru kenkyuu", DENSHI GIJUTSU SOUGOU KENKYUUSHO IHOU, vol. 63, no. 1-2, 20 March 1999 (1999-03-20), pages 67 - 75, XP002947318 * |
M. ALEXE ET AL.: "Self-patterning nano-electrodes on ferroelectric thin films for gigabit memory applications", APPL. PHYS. LETT., vol. 73, no. 11, 14 September 1998 (1998-09-14), pages 1592 - 1594, XP002947319 * |
See also references of EP1342820A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1342820A4 (en) | 2008-05-21 |
US20040127064A1 (en) | 2004-07-01 |
EP1342820A1 (en) | 2003-09-10 |
JP2002068894A (ja) | 2002-03-08 |
JP3579690B2 (ja) | 2004-10-20 |
US7335283B2 (en) | 2008-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1330193C (en) | Method for making artificial layered high-t_ superconductors | |
JPH10223476A (ja) | 強誘電体薄膜およびその製造方法 | |
WO2002020879A1 (fr) | Procede de production d'une mince couche d'oxyde de composite, dispositif correspondant et mince couche d'oxyde de composite ainsi produite | |
Joseph et al. | Ferroelectric behavior of epitaxial Bi 2 VO 5.5 thin films on Si (100) formed by pulsed-laser deposition | |
JPH10182292A (ja) | 酸化物積層構造およびその製造方法 | |
JP3037514B2 (ja) | 薄膜超伝導体及びその製造方法 | |
JPH07172996A (ja) | 誘電体薄膜の製造方法及びその製造装置 | |
JPS63236794A (ja) | 酸化物超伝導薄膜の作製方法 | |
US7507290B2 (en) | Flux assisted solid phase epitaxy | |
JP2005113220A (ja) | 多結晶薄膜及びその製造方法、酸化物超電導導体 | |
JPH046108A (ja) | 絶縁体および絶縁薄膜の製造方法と、超伝導薄膜および超伝導薄膜の製造方法 | |
JP2961852B2 (ja) | 薄膜超電導体の製造方法 | |
JPH05170448A (ja) | セラミックス薄膜の製造方法 | |
JP2022072611A (ja) | 結晶性酸化物膜、該結晶性酸化物膜を有する構造体、及び該結晶性酸化物膜の製造方法 | |
JP2541037B2 (ja) | 酸化物超電導薄膜合成方法 | |
JP3315737B2 (ja) | 強誘電体薄膜およびその製造方法 | |
JPH07206437A (ja) | 超電導体およびその製造方法 | |
JPH08325019A (ja) | ビスマス層状化合物の製造方法 | |
JPH0722662A (ja) | 絶縁体とその製造方法及び超電導体薄膜とその製造方法 | |
JPH0259403A (ja) | 酸化物超電導材料の製造法とイオンビーム・スパツタ装置及び電子素子 | |
JPH0382749A (ja) | 薄膜超電導体およびその製造方法 | |
JPH05170437A (ja) | 酸化物超電導体の製造方法 | |
JPH0244782A (ja) | 超伝導素子およびその製造方法 | |
JPH0781934A (ja) | 超電導体およびその製造方法 | |
JPH06115935A (ja) | 超電導体およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2001958485 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2001958485 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10363050 Country of ref document: US |