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Invesitigation of rectification mechanisms in high-temperature superconducting films

Research Project

Project/Area Number 20K15217
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 31020:Earth resource engineering, Energy sciences-related
Research InstitutionNagoya University

Principal Investigator

Tsuchiya Yuji  名古屋大学, 工学研究科, 助教 (50736080)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Discontinued (Fiscal Year 2022)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2022: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords超伝導 / 超伝導ダイオード / 希土類系高温超伝導薄膜 / 格子不整合 / 磁束ピンニング / 超伝導体 / 高温超伝導体 / 整流効果 / ダイオード / 薄膜成長 / 磁束量子 / 非相反伝導 / 量子化磁束 / 臨界電流
Outline of Research at the Start

本研究では、イットリウム系高温超伝導薄膜における整流効果の発現メカニズムの解明を目的とする。背景として、抜本的な省エネルギーを実現する超伝導電力機器の開発に向けて、低消費電力で整流動作する超伝導ダイオードの開発が期待されている。そのため、申請者らが開発した超伝導ダイオード特性について、その発現メカニズムを解明することを目的とする。
計画している研究項目は、(A) 超伝導ダイオード特性を発現するイットリウム系高温超伝導薄膜のナノ構造制御、(B) 超伝導ダイオード素子の設計および整流効果の実証の2項目である。

Outline of Final Research Achievements

In order to elucidate the mechanism of the asymmetric critical current property (so-called superconducting diode property) in high-temperature superconducting films, this study analysed the nanostructure of the high-temperature superconducting thin films that exhibit the property, designed a superconducting diode element and demonstrated the rectification effect.
As a result, it was confirmed that the asymmetric critical current property appeared in the rare-earth-based high-Tc superconducting films deposited using a pulsed laser deposition system over a wide temperature and magnetic field range. Furthermore, nano-structural analysis revealed that the better the lattice matching between the superconducting thin film and buffer layers, the better the properties. Finally, using the thin film, a device with a permanent magnet that does not require an external magnetic field was fabricated and rectification operation using a superconducting diode was demonstrated.

Academic Significance and Societal Importance of the Research Achievements

本研究では、高温超伝導薄膜の臨界電流の非対称性メカニズムを解明した。この成果は、省エネルギー電力機器の問題を根本的に解決し、超低消費電力で動作する超伝導ダイオードの開発を可能にするとともに、このダイオードは量子コンピュータや次世代超伝導エレクトロニクスへの応用が期待される。本研究における超伝導ダイオード動作原理理解および素子化についての進展により、社会全体のエネルギー問題解決に向けた一歩であると同時に、情報科学への波及効果を持つ。

Report

(3 results)
  • 2022 Final Research Report ( PDF )
  • 2021 Annual Research Report
  • 2020 Research-status Report
  • Research Products

    (40 results)

All 2022 2021 2020

All Journal Article (13 results) (of which Peer Reviewed: 7 results) Presentation (27 results) (of which Int'l Joint Research: 12 results,  Invited: 2 results)

  • [Journal Article] Magnetic Relaxation in Commercial REBCO Tapes With and Without Artificial Pinning Centers2022

    • Author(s)
      Tsuchiya Y.、Funaki S.、Ozaki T.、Kiuchi M.、Yoshida Y.
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 32 Issue: 6 Pages: 1-5

    • DOI

      10.1109/tasc.2022.3171190

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Conductive micro-path for current sharing between REBCO tapes in high-<i>T</i><sub>c</sub> superconducting conductors to improve stability2022

    • Author(s)
      Hiroyuki Yamada、Tsuchiya Yuji、Yoshida Yutaka、Mito Toshiyuki、Onodera Yuta、Hirano Naoki
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 32 Issue: 6 Pages: 1-1

    • DOI

      10.1109/tasc.2022.3163688

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Rectification at Various Temperatures in YBa2Cu3Oy Coated Conductors With PrBa2Cu3Oy Buffer Layers2022

    • Author(s)
      Mizuno Akihito、Tsuchiya Yuji、Awaji Satoshi、Yoshida Yutaka
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 32 Issue: 6 Pages: 1-5

    • DOI

      10.1109/tasc.2022.3154325

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Dielectric Properties of a BaTiO<sub>3</sub>/REBa<sub>2</sub>Cu<sub>3</sub>O<i><sub>y</sub></i> Multilayered Structure for Low-Loss Capacitors2021

    • Author(s)
      MORIGUCHI Yoshiyasu、TSUCHIYA Yuji、ICHINO Yusuke、YOSHIDA Yutaka
    • Journal Title

      TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)

      Volume: 56 Issue: 1 Pages: 32-37

    • DOI

      10.2221/jcsj.56.32

    • NAID

      130007975959

    • ISSN
      0389-2441, 1880-0408
    • Year and Date
      2021-01-20
    • Related Report
      2021 Annual Research Report
  • [Journal Article] Preparation of complex oxide (Pr0.8Y0.2)0.6Ca0.4CoO3 from Pr-Y-Ca-Co gel synthesized by ultrasonic irradiation and its metal-insulator transition characteristics2021

    • Author(s)
      Tahashi Masahiro、Nanbu Akikazu、Yamada Hiroyuki、Takahashi Makoto、Goto Hideo、Funaki Shuhei、Tsuchiya Yuji、Yoshida Yutaka
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 61 Issue: 1 Pages: 018003-018003

    • DOI

      10.35848/1347-4065/ac3d44

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Enhancement of Ic of BaHfO3-Doped REBCO Thick Coated Conductor Using Vapor-LiquidSolid Growth Technique2021

    • Author(s)
      T. Ito, Y. Ichino, Y. Tsuchiya, K. Yasuda, A. Ichinose, Y. Yoshida
    • Journal Title

      IEEE Trans. Appl. Supercond.

      Volume: 31 Issue: 5 Pages: 6601304-6601304

    • DOI

      10.1109/tasc.2021.3072480

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Surface Liquid Layer during Film Growth on Morphology of BaHfO3 in YBa2Cu3Oy Coated Conductors Fabricated by Pulsed Laser Deposition2021

    • Author(s)
      T. Ito, Y. Ichino, Y. Tsuchiya, K. Yasuda, A. Ichinose, Y. Yoshida
    • Journal Title

      IEEE Trans. Appl. Supercond.

      Volume: 31 Issue: 5 Pages: 6601205-6601205

    • DOI

      10.1109/tasc.2021.3071143

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Crystal Growth Simulation of BMO Nanorods in BMO-Doped REBCO Films with Seed layers2021

    • Author(s)
      Ichino Yusuke、Tsuchiya Yuji、Yoshida Yutaka
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 1 Issue: 5 Pages: 1-1

    • DOI

      10.1109/tasc.2021.3067437

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 低損失コンデンサに向けた BaTiO3/REBa2Cu3Oy 積層構造の誘電特性2021

    • Author(s)
      森口 凱安,土屋 雄司,一野 佑亮,吉田 隆
    • Journal Title

      低温工学

      Volume: 42 Pages: 42-42

    • NAID

      130007975959

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Vapor-Liquid-Solid成長法を用いて作製したSmBa2Cu3Oy線材のAg添加による液相安定化と超伝導特性2020

    • Author(s)
      安田 健人, 伊東 智寛, 吉田 隆, 一野 祐亮, 土屋 雄司
    • Journal Title

      IEEJ Transactions on Fundamentals and Materials

      Volume: 140 Pages: 247-252

    • NAID

      130007825228

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Fabrication of YBa2Cu3O y coated conductor by Vapor-Liquid-Solid growth technique using a Reel-to-Reel system2020

    • Author(s)
      Yasuda Kento、Ito Tomohiro、Tsuchiya Yuji、Ichino Yusuke、Ichinose Ataru、Yoshida Yutaka
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1590 Issue: 1 Pages: 012029-012029

    • DOI

      10.1088/1742-6596/1590/1/012029

    • Related Report
      2020 Research-status Report
  • [Journal Article] Effects of artificial square nanorods array to square bulk superconducting plate2020

    • Author(s)
      T. Kusafuka, M. Kato, and Y. Tsuchiya
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1590 Issue: 1 Pages: 012002-012002

    • DOI

      10.1088/1742-6596/1590/1/012002

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Deposition of thick superconducting YBCO films using the surface laser heating2020

    • Author(s)
      Matsuzaka J、Tsuchiya Y、Ichino Y、Yoshida Y
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 1590 Issue: 1 Pages: 012031-012031

    • DOI

      10.1088/1742-6596/1590/1/012031

    • Related Report
      2020 Research-status Report
  • [Presentation] Optimal Operating Conditions of YBa2Cu3Oy HTS Diode with a PrBa2Cu3Oy Buffer Layer2021

    • Author(s)
      水野彰人、土屋雄司、淡路智、吉田隆
    • Organizer
      The 27th International Conference on Magnet Technology (MT27)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] BaHfO3添加量及び成膜速度を変化させることによるREBa2Cu3Oy線材の巨視的ピンニング力の変化2021

    • Author(s)
      山本拓実、一野祐亮、土屋雄司、吉田隆
    • Organizer
      第102回低温工学・超電導学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 結晶配向性の異なるREBa2Cu3Oy線材の酸素アニール中抵抗率測定における酸素拡散速度の検討2021

    • Author(s)
      伊東智寛、坂井佑輔、土屋雄司、一野祐亮、吉田隆
    • Organizer
      第101回低温工学・超電導学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Critical Current in the magnetic field of YBa2Cu3Oy Coated Conductors with ultra-thick films fabricated by Vapor-LIquid-Solid growth technique2021

    • Author(s)
      Tomohiro Ito、 Toranosuke Miwa、 Yusuke Ichino、 Yuji Tsuchiya、 Ataru Ichinose and Yutaka Yoshida
    • Organizer
      International Conference on Coated Conductors for Applications、 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 基板自己抵抗加熱方式を用いて作製したBaHfO3添加YBa2Cu3Oy線材における磁束ピンニング特性2021

    • Author(s)
      山村太貴、土屋雄司、一野祐亮、一瀬中、吉田隆
    • Organizer
      第101回低温工学・超電導学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 基板自己抵抗加熱方式を用いて様々な基板温度で作製したBaHfO3添加YBa2Cu3Oy薄膜の磁場中超伝導特性2021

    • Author(s)
      山村太貴、土屋雄司、一野祐亮、一瀬中、吉田隆
    • Organizer
      第82回秋季応用物理学学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Isotropic flux pinning properties by fireworks structure of BaHfO3 nanorods in YBa2Cu3Oy coated conductors fabricated by pulsed laser deposition with substrate self-heating technique2021

    • Author(s)
      Daiki Yamamura、 Yuji Tsuchiya、 Yusuke Ichino、 Ataru Ichinose and Yutaka Yoshida
    • Organizer
      The 34th International Symposium on Superconductivity
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 高電界におけるREBa2Cu3Oy線材の特性測定に向けた大電流通電試験装置の開発2021

    • Author(s)
      坂井厳、土屋雄司、水野謙一郎、吉田隆
    • Organizer
      第101回低温工学・超電導学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] パルス電流による超伝導線材の臨界電流測定回路を用いた接触抵抗による発熱の低減2021

    • Author(s)
      坂井厳、土屋雄司、水野謙一郎、吉田隆
    • Organizer
      第102回低温工学・超電導学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Vapor-Liquid-Solid 成長法で作製した厚膜YBa2Cu3Oy線材の磁場中臨界電流.2021

    • Author(s)
      美和虎之介、伊東智寛、土屋雄司、吉田隆
    • Organizer
      第82回秋季応用物理学学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Critical current in the magnetic field of BaHfO3-doped YBa2Cu3Oy coated conductors with ultra-thick films fabricated by Vapor-Liquid-Solid growth technique2021

    • Author(s)
      Toranosuke Miwa、 Daiki Ehara、 Tomohiro Ito、 Yuji Tsuchiya、 Yutaka Yoshida、 Yusuke Ichino、 Ataru Ichinose
    • Organizer
      The 34th International Symposium on Superconductivity
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Conductive micro-paths for current sharing between REBCO tapes in high-Tc superconducting conductors to improve stability2021

    • Author(s)
      Hiroyuki Yamada、 Yuji Tsuchiya、 Yutaka Yoshida、 Toshiyuki Mito、 Yuta Onodera、 and Naoki Hirano
    • Organizer
      The 27th International Conference on Magnet Technology (MT27)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Magnetization Relaxation by Shielding Current in Commercial REBCO Tapes2021

    • Author(s)
      Yuji Tsuchiya、 Shuhei Funaki、 Toshinori Ozaki、 Masaru Kiuchi、 Yutaka Yoshida
    • Organizer
      The 27th International Conference on Magnet Technology (MT27)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Critical current measurement of HTS tapes using pulsed current2021

    • Author(s)
      Yuji Tsuchiya、 Itsuki Sakai、 Kenichiro Mizuno、 Yutaka Yoshida
    • Organizer
      The 34th International Symposium on Superconductivity
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 磁場侵入長の不均一性による超伝導薄膜の非対称な臨界電流特性2020

    • Author(s)
      馬渡 康徳、土屋 雄司
    • Organizer
      2020年第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] BaHfO3添加SmBa2Cu3Oy薄膜における面内磁場下の臨界電流非対称性の磁場温度依存性2020

    • Author(s)
      土屋 雄司、一野 祐亮、吉田 隆
    • Organizer
      2020年第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] 3D-TDGLシミュレーションによる表面ラフネスがJcの非対称性に与える影響2020

    • Author(s)
      一野 祐亮、張 雪原、土屋 雄司、吉田 隆
    • Organizer
      2020年第81回応用物理学会秋季学術講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] 人工ピンを添加したYBCO超電導薄膜の臨界電流密度の膜厚依存性2020

    • Author(s)
      木内 勝 ,土屋 雄司, 伊東 智寛, 吉田 隆,尾崎 壽紀 ,舩木 修平
    • Organizer
      2020年度春季第99回 低温工学・超電導学会研究発表会
    • Related Report
      2020 Research-status Report
  • [Presentation] 市販REBCO線材における磁化緩和法による永久電流減衰率及び低電界発熱評価2020

    • Author(s)
      土屋 雄司, 舩木 修平, 木内 勝, 尾崎 壽紀, 吉田 隆
    • Organizer
      2020年度春季第99回 低温工学・超電導学会研究発表会
    • Related Report
      2020 Research-status Report
  • [Presentation] パルス強磁場中での市販REBCO線材における臨界電流測定2020

    • Author(s)
      土屋 雄司, 木田 孝則, 鳴海 康雄, 萩原 政幸,金道 浩一,吉田 隆
    • Organizer
      2020年度秋季 第100回 低温工学・超電導学会研究発表会
    • Related Report
      2020 Research-status Report
  • [Presentation] HTSコイルのクエンチ保護に向けた金属-絶縁体転移酸化物薄膜の作製2020

    • Author(s)
      山田 寛之, 土屋 雄司,一野 祐亮,吉田 隆
    • Organizer
      2020年度秋季 第100回 低温工学・超電導学会研究発表会
    • Related Report
      2020 Research-status Report
  • [Presentation] Critical Current Measurement of Commercial REBCO Coated Conductors under Pulsed High Magnetic Field2020

    • Author(s)
      Yuji Tsuchiya, Takanori Kida, Yasuo Narumi, Masayuki Hagiwara, Koichi Kindo, Yutaka Yoshida
    • Organizer
      International Sympodium on Superconductivity
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Improvement of flux pinning force density characteristics of BaHfO3-doped SmBa2Cu3Oy films annealed at various temperatures2020

    • Author(s)
      Takafumi Yamamoto, Yuji Tsuchiya, Yusuke Ichino, Yutaka Yoshida
    • Organizer
      International Sympodium on Superconductivity
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Asymmetric Critical Current in YBa2Cu3Oy Coated Conductors with a PrBa2Cu3Oy Buffer Layer2020

    • Author(s)
      Akihito Mizuno, Yuji Tsuchiya, Yusuke Ichino, Ataru Ichinose, Yutaka Yoshida
    • Organizer
      International Sympodium on Superconductivity
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Novel superconducting diodes made of high-temperature superconductors2020

    • Author(s)
      Yuji Tsuchiya
    • Organizer
      International Association of Advanced Materials
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Superconducting properties in REBa2Cu3Oy films in under high magnetic fields2020

    • Author(s)
      Yuji Tsuchiya
    • Organizer
      Asia Pacific Conference on Research in High Magnetic Field
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 定常磁場の応用と展望2020

    • Author(s)
      土屋雄司
    • Organizer
      強磁場コラボラトリー2030シンポジウム
    • Related Report
      2020 Research-status Report
    • Invited

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Published: 2020-04-28   Modified: 2024-01-30  

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