JP6861633B2 - 酸化物超電導線材 - Google Patents
酸化物超電導線材 Download PDFInfo
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- 239000010410 layer Substances 0.000 claims description 226
- 239000000758 substrate Substances 0.000 claims description 130
- 229910052751 metal Inorganic materials 0.000 claims description 118
- 239000002184 metal Substances 0.000 claims description 118
- 239000000463 material Substances 0.000 claims description 23
- 239000002356 single layer Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 21
- 239000011241 protective layer Substances 0.000 description 19
- 239000010949 copper Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 239000010408 film Substances 0.000 description 12
- 230000000087 stabilizing effect Effects 0.000 description 11
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 229910001080 W alloy Inorganic materials 0.000 description 4
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
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- 239000000956 alloy Substances 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
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- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000954177 Bangana ariza Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910021523 barium zirconate Inorganic materials 0.000 description 1
- DQBAOWPVHRWLJC-UHFFFAOYSA-N barium(2+);dioxido(oxo)zirconium Chemical compound [Ba+2].[O-][Zr]([O-])=O DQBAOWPVHRWLJC-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 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
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
- H01B12/06—Films or wires on bases or cores
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/006—Compounds containing, besides copper, two or more other elements, with the exception of oxygen or hydrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Description
本出願は、2015年10月15日出願の日本出願第2015−203745号に基づく優先権を主張し、前記日本出願に記載された全ての記載内容を援用するものである。
特許文献1に記載の酸化物超電導線材によれば、配向金属基板と酸化物超電導層との間に中間層を介在させることにより、酸化物超電導層の配向性の向上が可能となる。ここで、配向性とは結晶粒の結晶方位が揃っている程度をいう。また、基板と酸化物超電導層との間の元素の拡散および反応を抑制することができる。その結果、高い臨界電流密度(Jc)および高い臨界電流(Ic)などの優れた特性を得ることができる。
本開示によれば、優れた超電導特性を保ちつつ、製造コストが低減された酸化物超電導線材を実現することができる。
最初に本発明の実施態様を列記して説明する。
以下、図面に基づいて本発明の実施形態を説明する。なお、以下の図面において同一または相当する部分には同一の参照番号を付しその説明は繰返さない。
図1は、実施形態に係る酸化物超電導線材の構成を示す概略断面図である。図1は、実施形態に係る酸化物超電導線材1が延在する方向に交差する方向に切断した断面を示している。このため、紙面に交差する方向が酸化物超電導線材1の長手方向であり、酸化物超電導層30の超電導電流が断面に交差する方向に沿って流れるものとする。また、図1および以降の断面模式図においては、図を見やすくするために矩形状の断面における上下方向(以下、「厚み方向」とも称する)と左右方向(以下、「幅方向」とも称する)との長さの差を小さくしているが、実際は当該断面の厚み方向の長さは幅方向の長さに比べて十分に小さい。
次に、図3〜図7を参照して、実施形態に係る酸化物超電導線材の製造方法を説明する。図3は、実施形態に係る酸化物超電導線材の製造方法を示すフローチャートである。
(試料)
酸化物超電導線材に対する、配向金属基板10の配向性の影響を調査するべく、以下のような試料を準備した。すなわち、面内配向性Δφが5〜8°である配向金属基板上に厚みが5〜300nmである単層の中間層が形成され、当該中間層上に酸化物超電導層が形成された試料(試料No.1〜No.13)を準備した。
上記試料No.1〜No.13のそれぞれについて、超電導特性(Ic)を、液体窒素温度(77.3K)、自己磁場下において測定した。また、超電導転移温度TcをTHEVA社製CryoScan装置を用いて誘導法により測定した。結果を表1に示す。
Claims (5)
- 配向金属基板と、
前記配向金属基板上に形成された中間層と、
前記中間層上に形成された酸化物超電導層とを備え、
前記配向金属基板の面内配向性(Δφ)は6°未満であり、かつ、
前記中間層は単一の層から構成され、
前記中間層の面内配向性と前記配向金属基板の面内配向性との差を、前記配向金属基板の面内配向性で除した値を百分率表記した値は15%以下である、酸化物超電導線材。 - 前記配向金属基板は、クラッド基板である、請求項1に記載の酸化物超電導線材。
- 前記中間層の厚みは10nm以上である、請求項1または請求項2に記載の酸化物超電導線材。
- 前記中間層の面内配向性は8°以下である、請求項1から請求項3のいずれか1項に記載の酸化物超電導線材。
- 前記配向金属基板は、前記中間層と接する最上部に酸化物層を含む、請求項1から請求項4のいずれか1項に記載の酸化物超電導線材。
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Application Number | Priority Date | Filing Date | Title |
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JP2015203745 | 2015-10-15 | ||
JP2015203745 | 2015-10-15 | ||
PCT/JP2016/070578 WO2017064893A1 (ja) | 2015-10-15 | 2016-07-12 | 酸化物超電導線材 |
Publications (2)
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JPWO2017064893A1 JPWO2017064893A1 (ja) | 2018-08-30 |
JP6861633B2 true JP6861633B2 (ja) | 2021-04-21 |
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US (1) | US10665367B2 (ja) |
JP (1) | JP6861633B2 (ja) |
KR (1) | KR102518604B1 (ja) |
CN (1) | CN108140457B (ja) |
DE (1) | DE112016004736T5 (ja) |
WO (1) | WO2017064893A1 (ja) |
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JP4422959B2 (ja) * | 2002-11-18 | 2010-03-03 | 昭和電線ケーブルシステム株式会社 | Y系テープ状酸化物超電導体の製造方法 |
US20070238619A1 (en) * | 2005-09-06 | 2007-10-11 | Superpower, Inc. | Superconductor components |
JP5252792B2 (ja) * | 2006-08-25 | 2013-07-31 | 日本ミクロコーティング株式会社 | 酸化物超伝導体用テープ基材の研磨方法並びに酸化物超伝導体及び酸化物超伝導体用基材 |
CN101631169B (zh) * | 2008-07-18 | 2012-06-20 | 鸿富锦精密工业(深圳)有限公司 | 便携式电子装置 |
JP5382911B2 (ja) * | 2008-11-12 | 2014-01-08 | 東洋鋼鈑株式会社 | 酸化物超電導線材用金属積層基板の製造方法及び該基板を用いた酸化物超電導線材 |
JP2010238634A (ja) * | 2009-03-31 | 2010-10-21 | International Superconductivity Technology Center | 酸化物超電導線材とその製造方法及びそれに用いる基板の製造装置 |
JP5427553B2 (ja) * | 2009-10-30 | 2014-02-26 | 公益財団法人国際超電導産業技術研究センター | 酸化物超電導導体用基材及びその製造方法と酸化物超電導導体及びその製造方法 |
JP5806302B2 (ja) * | 2010-06-24 | 2015-11-10 | ユニバーシティー オブ ヒューストン システム | 交流損失を低減したマルチフィラメント超伝導体とその形成方法 |
US20120004084A1 (en) * | 2010-07-02 | 2012-01-05 | Dean Veral Neubauer | Pulling Rolls for Making Sheet Glass and Methods of Making and Using |
JP5838596B2 (ja) | 2011-05-30 | 2016-01-06 | 住友電気工業株式会社 | 超電導薄膜材料およびその製造方法 |
JP2015203745A (ja) | 2014-04-14 | 2015-11-16 | 大日本印刷株式会社 | 電子素子用柱状形成物付基板 |
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KR20180068966A (ko) | 2018-06-22 |
CN108140457A (zh) | 2018-06-08 |
CN108140457B (zh) | 2020-11-17 |
WO2017064893A1 (ja) | 2017-04-20 |
US20180301248A1 (en) | 2018-10-18 |
DE112016004736T5 (de) | 2018-07-26 |
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KR102518604B1 (ko) | 2023-04-05 |
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