GB2223489A - Oriented polycrystal superconductor - Google Patents
Oriented polycrystal superconductor Download PDFInfo
- Publication number
- GB2223489A GB2223489A GB8920707A GB8920707A GB2223489A GB 2223489 A GB2223489 A GB 2223489A GB 8920707 A GB8920707 A GB 8920707A GB 8920707 A GB8920707 A GB 8920707A GB 2223489 A GB2223489 A GB 2223489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ranges
- superconductive
- zero
- oxide
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000002887 superconductor Substances 0.000 title description 6
- 239000000843 powder Substances 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 19
- 238000005245 sintering Methods 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000007795 chemical reaction product Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000005415 magnetization Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 229910052691 Erbium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052775 Thulium Inorganic materials 0.000 claims description 5
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 235000015107 ale Nutrition 0.000 claims 1
- 239000010949 copper Substances 0.000 description 12
- 239000013078 crystal Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 230000002939 deleterious effect Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 150000002602 lanthanoids Chemical group 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 238000001907 polarising light microscopy Methods 0.000 description 2
- DIOYAVUHUXAUPX-ZHACJKMWSA-N 2-[methyl-[(e)-octadec-9-enoyl]amino]acetic acid Chemical group CCCCCCCC\C=C\CCCCCCCC(=O)N(C)CC(O)=O DIOYAVUHUXAUPX-ZHACJKMWSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25351288A | 1988-10-05 | 1988-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8920707D0 GB8920707D0 (en) | 1989-10-25 |
| GB2223489A true GB2223489A (en) | 1990-04-11 |
Family
ID=22960585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8920707A Withdrawn GB2223489A (en) | 1988-10-05 | 1989-09-13 | Oriented polycrystal superconductor |
Country Status (3)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4119707A1 (de) * | 1991-06-14 | 1992-12-17 | Siemens Ag | Verfahren zum herstellen eines hochtemperatur-supraleitenden bauteiles und hochtemperatur-supraleitendes bauteil |
| DE4210198C2 (de) * | 1992-03-28 | 1996-10-31 | Dresden Ev Inst Festkoerper | Verfahren zur Herstellung von schmelztexturierten Hochtemperatur-Supraleitern |
| DE4216545C1 (de) * | 1992-05-19 | 1993-12-16 | Solvay Barium Strontium Gmbh | Verfahren zur Herstellung von Hochtemperatursupraleiter-Material auf Basis von Yttrium-Barium-Kupferoxid sowie hierfür verwendbare Vormischung |
| DE4231129A1 (de) * | 1992-09-17 | 1994-03-24 | Tridelta Ag | Verfahren zur Herstellung texturierter keramischer Hochtemperatur-Supraleiterwerkstoffe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0286372A2 (en) * | 1987-04-07 | 1988-10-12 | Fujikura Ltd. | Oxide superconductor and manufacturing method thereof |
| EP0292940A2 (en) * | 1987-05-25 | 1988-11-30 | Nippon Steel Corporation | Superconductor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3727910C2 (de) * | 1987-08-21 | 1995-11-23 | Hoechst Ag | Dichter supraleitender keramischer Formkörper und Verfahren zu seiner Herstellung sowie seine Verwendungen |
| JPH0797454B2 (ja) * | 1987-09-21 | 1995-10-18 | 株式会社半導体エネルギー研究所 | 超伝導材料の作製方法 |
| JPH01108156A (ja) * | 1987-10-20 | 1989-04-25 | Sumitomo Heavy Ind Ltd | 酸化物系超電導材の製造方法 |
| DE3825710A1 (de) * | 1987-11-02 | 1989-05-11 | Siemens Ag | Supraleitender permanentmagnetischer koerper |
| US4990493A (en) * | 1988-09-06 | 1991-02-05 | General Electric Company | Process of making an oriented polycrystal superconductor |
-
1989
- 1989-09-13 GB GB8920707A patent/GB2223489A/en not_active Withdrawn
- 1989-09-28 DE DE3932423A patent/DE3932423A1/de active Granted
- 1989-10-05 JP JP1258985A patent/JPH02137762A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0286372A2 (en) * | 1987-04-07 | 1988-10-12 | Fujikura Ltd. | Oxide superconductor and manufacturing method thereof |
| EP0292940A2 (en) * | 1987-05-25 | 1988-11-30 | Nippon Steel Corporation | Superconductor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3932423A1 (de) | 1990-04-12 |
| DE3932423C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-09-19 |
| JPH02137762A (ja) | 1990-05-28 |
| GB8920707D0 (en) | 1989-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |