KR100279228B1 - 층진 페로프스카이트 물질의 고용액을 제조하기위한 방법 - Google Patents
층진 페로프스카이트 물질의 고용액을 제조하기위한 방법 Download PDFInfo
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- KR100279228B1 KR100279228B1 KR1019980016847A KR19980016847A KR100279228B1 KR 100279228 B1 KR100279228 B1 KR 100279228B1 KR 1019980016847 A KR1019980016847 A KR 1019980016847A KR 19980016847 A KR19980016847 A KR 19980016847A KR 100279228 B1 KR100279228 B1 KR 100279228B1
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- film
- solvent
- solution
- metal
- srbi
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 title claims abstract description 45
- 239000006104 solid solution Substances 0.000 title abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims description 40
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- 238000000137 annealing Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 20
- 229910052797 bismuth Inorganic materials 0.000 claims description 14
- 238000000151 deposition Methods 0.000 claims description 14
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical group COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 13
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 13
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 12
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical group CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 9
- NGCRLFIYVFOUMZ-UHFFFAOYSA-N 2,3-dichloroquinoxaline-6-carbonyl chloride Chemical compound N1=C(Cl)C(Cl)=NC2=CC(C(=O)Cl)=CC=C21 NGCRLFIYVFOUMZ-UHFFFAOYSA-N 0.000 claims description 9
- NUMHJBONQMZPBW-UHFFFAOYSA-K bis(2-ethylhexanoyloxy)bismuthanyl 2-ethylhexanoate Chemical compound [Bi+3].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O NUMHJBONQMZPBW-UHFFFAOYSA-K 0.000 claims description 9
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 claims description 9
- 239000012456 homogeneous solution Substances 0.000 claims description 8
- ZTILUDNICMILKJ-UHFFFAOYSA-N niobium(v) ethoxide Chemical compound CCO[Nb](OCC)(OCC)(OCC)OCC ZTILUDNICMILKJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 3
- JLJZVSJGIUISPS-UHFFFAOYSA-N [O-]CC.[Ti+4].[Ti+4].[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC Chemical compound [O-]CC.[Ti+4].[Ti+4].[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC.[O-]CC JLJZVSJGIUISPS-UHFFFAOYSA-N 0.000 claims 1
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 44
- 239000002243 precursor Substances 0.000 abstract description 43
- 239000010409 thin film Substances 0.000 abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000002360 preparation method Methods 0.000 abstract description 7
- 239000010408 film Substances 0.000 description 52
- 229910052751 metal Inorganic materials 0.000 description 52
- 239000002184 metal Substances 0.000 description 52
- 230000010287 polarization Effects 0.000 description 27
- 150000004703 alkoxides Chemical class 0.000 description 25
- 239000012528 membrane Substances 0.000 description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- 150000007942 carboxylates Chemical class 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 14
- 239000013078 crystal Substances 0.000 description 14
- 230000007062 hydrolysis Effects 0.000 description 12
- 238000006460 hydrolysis reaction Methods 0.000 description 12
- 239000003446 ligand Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 238000002441 X-ray diffraction Methods 0.000 description 9
- 150000002739 metals Chemical class 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000010955 niobium Substances 0.000 description 8
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 8
- -1 La 0.5 Sr 0.5 CoO 9 Chemical class 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000015654 memory Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000012707 chemical precursor Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000089 atomic force micrograph Methods 0.000 description 4
- SHZIWNPUGXLXDT-UHFFFAOYSA-N caproic acid ethyl ester Natural products CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 230000000269 nucleophilic effect Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- ABFQGXBZQWZNKI-UHFFFAOYSA-N 1,1-dimethoxyethanol Chemical compound COC(C)(O)OC ABFQGXBZQWZNKI-UHFFFAOYSA-N 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910020684 PbZr Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- VNSWULZVUKFJHK-UHFFFAOYSA-N [Sr].[Bi] Chemical compound [Sr].[Bi] VNSWULZVUKFJHK-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 150000001622 bismuth compounds Chemical class 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 125000005594 diketone group Chemical group 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005621 ferroelectricity Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 244000148755 species properties Species 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1225—Deposition of multilayers of inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02197—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides the material having a perovskite structure, e.g. BaTiO3
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Insulating Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
온도(℃) | SrBi2Ta2O9박막2 Pr(μC/cm2) | 0.7SrBi2Ta2O9-0.3Bi3TiTaO9박막2 Pr(μC/cm2) | 0.8SrBi2Ta2O9-0.2Bi3TiNbO9박막2 Pr(μC/cm2) |
650℃750℃ | 4.417.2 | 12.427.8 | 12.126.9 |
Claims (13)
- a) 제 1 용매에 비스무트 2-에틸헥사노에이트를 용해시켜 제 1 용액을 형성하는 단계;b) 제 2 용매에 스트론튬 아세테이트를 용해시켜 제 2 용액을 형성하는 단계;c) 제 3 용매에 탄탈륨 에톡시드를 용해시켜 제 3 용액을 형성하는 단계;d) 상기 a) 내지 c) 단계의 용액을 혼합시켜 균질한 용액을 형성하는 단계; 및e) 상기 균질 용액을 기판 상에 퇴적시켜 막을 형성하는 단계를 포함하고, 상기 a) 내지 d) 단계는 주위의 실온에서 행해지는 스트론튬 비스무트 탄탈레이트(SBT)의 막 형성 방법.
- 제 1항에 있어서, 600 내지 750℃의 온도에서 기판 및 막을 어닐링시키는 단계를 더 포함하는 방법.
- 제 1항에 있어서, 제 1 용매가 2-에틸헥산산이고, 제 2 용매가 아세트산이고, 또 제 3 용매가 2-메톡시에탄올인 방법.
- 제 3항에 있어서, 약 30% 과량의 비스무트를 부가하는 방법.
- 제 1항에 있어서, 상부 전극 및 하부 전극을 형성하고, 상기 막을 상기 전극 사이에 들어가게 하여 커패시터 구조를 형성하는 단계를 더 포함하는 방법.
- a) 제 1 용매에 비스무트 2-에틸헥사노에이트를 용해시켜 제 1 용액을 형성하는 단계;b) 제 2 용매에 스트론튬 아세테이트를 용해시켜 제 2 용액을 형성하는 단계;c) 제 3 용매에 티타튬 에톡시드 및 탄탈륨 에톡시드를 용해시켜 제 3 용액을 형성하는 단계;d) 상기 a) 내지 c) 단계의 용액을 혼합시켜 균질한 용액을 형성하는 단계; 및e) 상기 균질 용액을 기판 상에 퇴적시켜 (1-x)SrBi2Ta2O9-xBi3TiTaO9막을 형성하는 단계를 포함하고, 상기 a) 내지 d) 단계는 주위의 실온에서 행해지는 층진 페로프스카이트 물질의 막 형성 방법.
- 제 6항에 있어서, 약 600 내지 750℃의 온도에서 기판 및 막을 어닐링시키는 단계를 더 포함하는 방법.
- 제 6항에 있어서, 제 1 용매가 2-에틸헥산산이고, 제 2 용매가 아세트산이고, 제 3 용매가 2-메톡시에탄올인 방법.
- 제 6항에 있어서, 상부 전극 및 하부 전극을 형성하고, 상기 막을 상기 전극 사이에 들어가게 하여 커패시터 구조를 형성하는 단계를 더 포함하는 방법.
- a) 제 1 용매에 비스무트 2-에틸헥사노에이트를 용해시켜 제 1 용액을 형성하는 단계;b) 제 2 용매에 스트론튬 아세테이트를 용해시켜 제 2 용액을 형성하는 단계;c) 제 3 용매에 티타늄 에톡시드, 탄탈륨 에톡시드 및 니오븀 에톡시드를 용해시켜 제 3 용액을 형성하는 단계;d) 상기 a) 내지 c) 단계의 용액을 혼합시켜 균질한 용액을 형성하는 단계; 및e) 상기 균질 용액을 기판 상에 퇴적시켜 (1-x)SrBi2Ta2O9-xBi3TiTaO9막을 형성하는 단계를 포함하고, 상기 a) 내지 d) 단계는 주위의 실온에서 행해지는 층진 페로프스카이트 물질의 막 형성 방법.
- 제 10항에 있어서, 약 600 내지 750℃의 온도에서 기판 및 막을 어닐링시키는 단계를 더 포함하는 방법.
- 제 10항에 있어서, 제 1 용매가 2-에틸헥산산이고, 제 2 용매가 아세트산이고, 제 3 용매가 2-메톡시에탄올인 방법.
- 제 10항에 있어서, 상부 전극 및 하부 전극을 형성하고, 상기 막을 상기 전극 사이에 들어가게 하여 커패시터 구조를 형성하는 단계를 포함하는 방법.
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US85225397A | 1997-05-06 | 1997-05-06 | |
US8/852,253 | 1997-05-06 |
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KR19980086940A KR19980086940A (ko) | 1998-12-05 |
KR100279228B1 true KR100279228B1 (ko) | 2001-02-01 |
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KR1019980016847A KR100279228B1 (ko) | 1997-05-06 | 1998-05-06 | 층진 페로프스카이트 물질의 고용액을 제조하기위한 방법 |
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EP (1) | EP0877100B1 (ko) |
JP (1) | JPH1149600A (ko) |
KR (1) | KR100279228B1 (ko) |
DE (1) | DE69800954T2 (ko) |
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DE19743269A1 (de) * | 1997-09-30 | 1999-04-01 | Siemens Ag | Herstellverfahren für eine Bi-haltige keramische Schicht |
US7476314B2 (en) | 2000-08-11 | 2009-01-13 | Reid Roger P | Keyed system for connection of filter cartridge to filter holder |
US20060279901A1 (en) * | 2003-01-21 | 2006-12-14 | Yuki Miyamoto | Thin film capacitance element composition, high permittivity insulation film, thin film capacitance element, thin film multilayer capacitor and production method of thin film capacitance element |
CN1761776A (zh) * | 2003-01-21 | 2006-04-19 | Tdk株式会社 | 薄膜电容元件用组合物、高介电常数绝缘膜、薄膜电容元件、薄膜积层电容器及薄膜电容元件的制造方法 |
CN114956816B (zh) * | 2022-06-07 | 2023-03-24 | 清华大学 | 一种高性能烧绿石储能陶瓷材料及其制备方法与应用 |
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US5468679A (en) * | 1991-02-25 | 1995-11-21 | Symetrix Corporation | Process for fabricating materials for ferroelectric, high dielectric constant, and integrated circuit applications |
US5423285A (en) * | 1991-02-25 | 1995-06-13 | Olympus Optical Co., Ltd. | Process for fabricating materials for ferroelectric, high dielectric constant, and integrated circuit applications |
US5508226A (en) * | 1991-12-13 | 1996-04-16 | Symetrix Corporation | Low temperature process for fabricating layered superlattice materialsand making electronic devices including same |
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1998
- 1998-04-30 JP JP10120924A patent/JPH1149600A/ja not_active Withdrawn
- 1998-04-30 EP EP98303376A patent/EP0877100B1/en not_active Expired - Lifetime
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DE69800954D1 (de) | 2001-07-26 |
KR19980086940A (ko) | 1998-12-05 |
JPH1149600A (ja) | 1999-02-23 |
DE69800954T2 (de) | 2001-11-22 |
EP0877100A1 (en) | 1998-11-11 |
EP0877100B1 (en) | 2001-06-20 |
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