JP7628708B2 - 柱状欠陥のない超電導体磁束ピンニング - Google Patents
柱状欠陥のない超電導体磁束ピンニング Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0272—Deposition of sub-layers, e.g. to promote the adhesion of the main coating
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/404—Oxides of alkaline earth metals
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
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- C—CHEMISTRY; METALLURGY
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/408—Oxides of copper or solid solutions thereof
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/48—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/482—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
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- 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
- H10N60/0436—Processes for depositing or forming copper oxide superconductor layers by chemical vapour deposition [CVD]
- H10N60/0464—Processes for depositing or forming copper oxide superconductor layers by chemical vapour deposition [CVD] by metalloorganic chemical vapour deposition [MOCVD]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- 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
- H10N60/0576—Processes for depositing or forming copper oxide superconductor layers characterised by the substrate
- H10N60/0632—Intermediate layers, e.g. for growth control
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
- H10N60/0828—Introducing flux pinning centres
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- H—ELECTRICITY
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- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/20—Permanent superconducting devices
- H10N60/203—Permanent superconducting devices comprising high-Tc ceramic materials
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Description
Claims (16)
- 基板;
バッファ層;および
非超電導材料を含む高温超電導層を含み、
前記非超電導材料は、前記高温超電導層と同一平面のa-b平面に沿って優先的に、かつ前記a-b平面内でランダムに分布し、実質的な垂直方向の整列を欠いている、
薄膜複合高温超電導物品。 - 前記非超電導材料がナノ粒子から構成される、請求項1に記載の超電導物品。
- 前記非超電導材料が非晶質である、請求項1に記載の超電導物品。
- 前記非超電導材料が、REが以下の元素:Y、La、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、またはLuのうちの1つまたは複数を含むRE2O3から構成される、請求項1に記載の超電導物品。
- 前記非超電導材料が、Mが以下の元素:Ti、Zr、Al、Hf、Ir、Sn、Nb、Mo、Ta、Ce、およびVのうちの1つまたは複数を含むBaMO3から構成される、請求項1に記載の超電導物品。
- 前記バッファ層および前記高温超電導層が、2つの層の間の格子不整合を保証するように選択される、請求項1に記載の超電導物品。
- 高温超電導体を形成する方法であって、
基板を提供すること;
前記基板上にバッファ層を堆積させること;
前記バッファ層上に高温超電導層を堆積させること;および
前記高温超電導層と同一平面のa-b平面に沿って優先的に分布された非超電導材料を共堆積させることを含み、
前記非超電導材料が、前記a-b平面内でランダムに分布し、実質的な垂直方向の整列を欠いている、方法。 - 前記非超電導材料が、REが以下の元素:Y、La、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、またはLuのうちのまたは複数を含むRE2O3から構成される、請求項7に記載の方法。
- 前記非超電導材料が、Mが以下の元素:Ti、Zr、Al、Hf、Ir、Sn、Nb、Mo、Ta、Ce、およびVのうちの1つまたは複数を含むBaMO3から構成される、請求項7に記載の方法。
- 前記非超電導材料が、前記高温超電導層との共堆積の間にREの原子過剰を導入することによって堆積される、請求項8に記載の方法。
- 前記非超電導材料が、前記高温超電導層との共堆積の間に、Baおよび新規元素M(Mは以下の元素:Ti、Zr、Al、Hf、Ir、Sn、Nb、Mo、Ta、Ce、およびVのうちの1つまたは複数を含む)の原子過剰を導入することによって堆積される、請求項9に記載の方法。
- 前記バッファ層、前記高温超電導層および前記非超電導材料が、光支援MOCVD(PAMOCVD)によって堆積される、請求項7に記載の方法。
- 前記高温超電導層の成長速度が1.0μm/分またはそれ以上である、請求項12に記載の方法。
- 基板;
バッファ層;
高温超電導層;
前記超電導層と同一平面のa-b平面に沿って優先的にかつ前記a-b平面内でランダムに分布し、実質的な垂直方向の整列を欠いている非超電導材料;および
2以上の4K、20T(Ic(4K、20T)/Ic(77K、自己磁場))におけるリフトファクタ;
を含む薄膜複合高温超電導物品。 - 前記リフトファクタが3以上である、請求項14に記載の超電導物品。
- 4Kおよび20Tにおいて450A/cm幅またはそれ以上の臨界電流(Ic)をさらに含む、請求項14に記載の超電導物品。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862745373P | 2018-10-14 | 2018-10-14 | |
| US201862745372P | 2018-10-14 | 2018-10-14 | |
| US62/745,373 | 2018-10-14 | ||
| US62/745,372 | 2018-10-14 | ||
| PCT/US2019/055745 WO2020117369A2 (en) | 2018-10-14 | 2019-10-10 | Superconductor flux pinning without columnar defects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022508690A JP2022508690A (ja) | 2022-01-19 |
| JP7628708B2 true JP7628708B2 (ja) | 2025-02-12 |
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| JP2021545257A Active JP7628708B2 (ja) | 2018-10-14 | 2019-10-10 | 柱状欠陥のない超電導体磁束ピンニング |
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| Country | Link |
|---|---|
| US (2) | US12120964B2 (ja) |
| EP (1) | EP3863772A4 (ja) |
| JP (1) | JP7628708B2 (ja) |
| KR (1) | KR102776826B1 (ja) |
| CN (1) | CN112839742A (ja) |
| CA (1) | CA3115523A1 (ja) |
| WO (1) | WO2020117369A2 (ja) |
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| CN112259673B (zh) * | 2020-10-19 | 2021-07-13 | 上海超导科技股份有限公司 | 一种含混合人工钉扎相的(re,y)-123超导膜及其制备方法 |
| RU2761855C1 (ru) * | 2021-07-21 | 2021-12-13 | Общество с ограниченной ответственностью "С-Инновации" | Гибкий высокотемпературный сверхпроводник и способ его получения |
| CN115641997B (zh) * | 2022-12-26 | 2023-04-18 | 西南交通大学 | 一种掺杂纳米氧化物的Nb3Al超导线材及其制备方法 |
| CN117079888B (zh) * | 2023-02-07 | 2024-03-22 | 甚磁科技(上海)有限公司 | 一种含有双掺杂相rebco超导膜及其制备方法 |
| CN119763924B (zh) * | 2025-03-07 | 2025-07-15 | 西北工业大学 | 一种利用NbTi槽线制备NbTi/V人工钉扎超导线的方法 |
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- 2019-10-10 CA CA3115523A patent/CA3115523A1/en active Pending
- 2019-10-10 JP JP2021545257A patent/JP7628708B2/ja active Active
- 2019-10-10 KR KR1020217012959A patent/KR102776826B1/ko active Active
- 2019-10-10 US US17/282,933 patent/US12120964B2/en active Active
- 2019-10-10 WO PCT/US2019/055745 patent/WO2020117369A2/en not_active Ceased
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- 2019-10-10 EP EP19891865.8A patent/EP3863772A4/en active Pending
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| JP2005078939A (ja) | 2003-08-29 | 2005-03-24 | Japan Science & Technology Agency | 超伝導膜およびその製造方法 |
| JP2007526199A (ja) | 2004-01-16 | 2007-09-13 | アメリカン・スーパーコンダクター・コーポレーション | ナノドットフラックス・ピン止めセンターを有する酸化物膜 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US12120964B2 (en) | 2024-10-15 |
| WO2020117369A3 (en) | 2020-08-20 |
| CA3115523A1 (en) | 2020-06-11 |
| JP2022508690A (ja) | 2022-01-19 |
| EP3863772A4 (en) | 2022-08-10 |
| US12593617B2 (en) | 2026-03-31 |
| US20210408359A1 (en) | 2021-12-30 |
| US20250380618A1 (en) | 2025-12-11 |
| KR102776826B1 (ko) | 2025-03-05 |
| KR20210100083A (ko) | 2021-08-13 |
| EP3863772A2 (en) | 2021-08-18 |
| WO2020117369A2 (en) | 2020-06-11 |
| CN112839742A (zh) | 2021-05-25 |
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