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2008 Fiscal Year Annual Research Report

ナノ組織制御によるハイブリッドエネルギー材料の創生

Research Project

Project/Area Number 19676005
Research InstitutionNagoya University

Principal Investigator

吉田 隆  Nagoya University, 大学院・工学研究科, 准教授 (20314049)

Keywordsエネルギー効率利用 / 電気電子材料 / 結晶成長 / 薄膜物性 / エピタキシャル成長
Research Abstract

H20 年度は、ナノ組織技術と界面制御技術の融合技術構築の一環として、ナノ組織制御を行った高温超伝導薄膜の高性能化、特に、低温成膜法Low temperature growth (LTG)法や液層介在型薄膜プロセスVapor-Liquid-Solid (VLS)成長を用いた超伝導薄膜の高性能化を中心に検討した。
具体的には、「(Sm_<1-z>Ba_z)-Zr-Oの微細構造制御によるSmBa_2Cu_3O_y薄膜の磁場中特性向上に関する研究」、「異なる中間層上に低温成膜法で作製したGd_<1+x>Ba_<2-x>Cu_3O_y薄膜の配向機構に関する研究」、などの課題を解明した。SmBCO+(Sm_<1-z>Ba_z)-Zr-O薄膜は、SBZO(z)のSm/Ba組成比zを変化させることで、微細構造及び超伝導特性の異方性の制御が可能であることが分かった。超伝導薄膜の特性を向上するための新たな人工ピン材料を提案することができた。また、LTG法の配向機構を検討するためにLTG-GdBCO、GdBCO/STO、GdBCO/BTO薄膜を作製、評価した。その結果、seed-layerの主な役割は格子ミスフィットの緩和であると考えられた。また、中間層を用いてGdBCO薄膜を作製することにより磁場中J_cが約5倍向上することが確認された。
超伝導層の界面制御を材料及び形状(アイランドや層状など)と変化させて、形状の異なるナノ組織が超伝導膜の結晶格子内で成長するメカニズム、超伝導特性に与える影響に関して知見を得てきた

  • Research Products

    (36 results)

All 2009 2008

All Journal Article (15 results) (of which Peer Reviewed: 15 results) Presentation (19 results) Book (2 results)

  • [Journal Article] Effect of BaZrO3 addition and film growth on superconducting properties of (Nd, Eu, Gd) Ba2Cu3Oy thin films2009

    • Author(s)
      Y. Ichino, Y. Yoshida, S. Funaki, T. Ozaki, Y. Takai, 他
    • Journal Title

      IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (印刷中)

    • Peer Reviewed
  • [Journal Article] Flux pinning properties and microstructure in Sml+XBa2-XCu3Oy films with BaZrO3 nanorods fabricated by VLS growth techniquie.2009

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, 他
    • Journal Title

      IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (印刷中)

    • Peer Reviewed
  • [Journal Article] Improved flux pinning in nanostructured REBCO films controlling the APC growth2009

    • Author(s)
      Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (印刷中)

    • Peer Reviewed
  • [Journal Article] Flux pinning characteristics of Sml+XBa2-xCu3Oy films with the additional c-axis correlated pinning centers2009

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, T. Harada, Y. Takai, 他
    • Journal Title

      IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY (印刷中)

    • Peer Reviewed
  • [Journal Article] CRYSTAL GROWTH MECHANISM OF VLS-Sml+xBa2-xCu3Oy FILMS INCLUDING SELF-ASSEMBLED BaM03 (M=Zr, Sn) N ANORODS.2009

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, A. Ichinose, 他
    • Journal Title

      Physica C (印刷中)

    • Peer Reviewed
  • [Journal Article] Reciprocal space mapping of BaZrO3 within (Nd, Eu, Ga) Ba2Cu30y films prepared by various film growth technique2009

    • Author(s)
      Y. Ichino, Y. Yoshida, S. Funaki, T. Ozaki, Y. Takai, 他
    • Journal Title

      Physica C (印刷中)

    • Peer Reviewed
  • [Journal Article] Jc of SmBa2Cu3Oy films improved in the whole angle by introducing BaM03 nanoparticles2009

    • Author(s)
      T. Harada, Y. Yoshida, Y. Ichino, T. Ozaki, Y. Takai, 他
    • Journal Title

      Physica C (印刷中)

    • Peer Reviewed
  • [Journal Article] Flux pinning properties and microstructures in SmBa2Cu3Oy thin films including self-organized columnar defects formed at various processes2009

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, T. Harada, Y. Takai, K. Matsumoto, M. Mukaida, 他
    • Journal Title

      Physica C (印刷中)

    • Peer Reviewed
  • [Journal Article] PROGRESS IN DEVELOPMENT OF ADVANCED PLD PROCESS FOR HIGH Jc REBCO FILM2008

    • Author(s)
      Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      Physica C 468

      Pages: 1606-1610

    • Peer Reviewed
  • [Journal Article] CRITICAL TEMPERATURE OF LaBa_2Cu_3O_y THIN FILMS BY VAPOR-LIQUID-SOLID GROWTH TECHNIQUE IMPROVED BY THE COMPOSITION RATIO IN LIQUID PHASE2008

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      Physica C 468

      Pages: 1575-1578

    • Peer Reviewed
  • [Journal Article] FLUX PINNING PROPERTIES OF Sm_<1+x>Ba_<2-x>CU_3O_y FILMS WITH BaZrO_3 NANORODS FABRICATED BY LOW TEMPERATURE GROWTH TECHNIQUE2008

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      Physica C 468

      Pages: 1615-1618

    • Peer Reviewed
  • [Journal Article] ENHANCEMENT OF CRITICAL TEMPERATURE OF LaBa_2Cu_3O_y THIN FILMS BY NOVEL FILM GROWTH TECHNIQUE2008

    • Author(s)
      Y. Ichino, Y. Yoshida, K. Inoue, Y. Takai, 他
    • Journal Title

      Physica C 468

      Pages: 1623-1626

    • Peer Reviewed
  • [Journal Article] SUPERCONDUCTING PROPERTIES IN MAGNETIC FIELD OF (Nd, Eu, Gd)_<1+x>Ba_<2-x>Cu_3O_y THIN FILMS PREPARED BY LOW TEMPERATURE GROWTH TECHNIQUE2008

    • Author(s)
      K. Inoue, Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      Physica C 468

      Pages: 1611-1614

    • Peer Reviewed
  • [Journal Article] SUPERCONDUCTING PROPERTIES IN MAGNETIC FIELDS OF LTG-Smi_<1+x>Ba_<2-x>Cu_3O_y FILMS ON Ni-W TEXTURED SUBSTRATE2008

    • Author(s)
      S. Yamaguchi, Y. Yoshida, Y. Ichino, Y. Takai, Y. Shiohara, 他
    • Journal Title

      Physica C 468

      Pages: 1619-1622

    • Peer Reviewed
  • [Journal Article] Progress towards nanostructured SmBCO film for controlling pinnine properties2008

    • Author(s)
      Y. Yoshida. T. Ozaki, Y. Ichino, Y. Takai, K. Matsumoto, 他
    • Journal Title

      Journal of Physics 97

      Pages: 012021

    • Peer Reviewed
  • [Presentation] Growth mechanism of nano BaZrO_x structure in oxide film Superconductivity material and thermo electric material2008

    • Author(s)
      Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, A. Ichinose, et. al.
    • Organizer
      IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-12-11
  • [Presentation] Magnetic Field Angular Dependence Of J_e In SmBCO Films2008

    • Author(s)
      T. Harada, Y. Yoshida, Y. Ichino, T. Ozaki, et. al.
    • Organizer
      IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-12-11
  • [Presentation] RECIPROCAL SPACE MAPPING OF BaZrO3 WITHIN (Nd, Eu, Gd) Ba2Cu3Oy FILMS2008

    • Author(s)
      Y. Ichino, Y. Yoshida, S. Funaki, T. Ozaki, et. al.
    • Organizer
      IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-12-11
  • [Presentation] Influence of Different Configuration of Self-organized Columnar Defects on Flux Pinning Properties of Sm1+xBa2-xCu3Oy Thin Films2008

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, T. Harada, Y. Takai, K. Matsumoto, et. al.
    • Organizer
      IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-12-11
  • [Presentation] Superconducting Properties And Microstructure Of VLS-SmBa2Cu3Oy films2008

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, et. al.
    • Organizer
      IUMRS International Conference in Asia 2008 (IUMRS-ICA 2008)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-12-11
  • [Presentation] Sm2Zr2O7を添加したSmBa2Cu3Oy薄膜の微細構造と磁束ピンニング特性2008

    • Author(s)
      滝沢智生, 吉田隆, 一野祐亮, 高井吉明, 松本要, 他
    • Organizer
      低温工学超電導学会
    • Place of Presentation
      高知
    • Year and Date
      2008-11-13
  • [Presentation] 原子・分子を積み上げるーナノ構造と超電導特性2008

    • Author(s)
      一野祐亮, 吉田隆
    • Organizer
      低温工学超電導学会
    • Place of Presentation
      高知
    • Year and Date
      2008-11-13
  • [Presentation] Growth mechanism of nano BaZrOx structure in oxide functuional film2008

    • Author(s)
      Y. Yoshida, Y. Ichino, Y. Takai, et. al.
    • Organizer
      The 21th International Symposium on Superconductivity (ISS2008)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-10-28
  • [Presentation] CrYSTAL GROWTH MECHANISM OF VLS-Sml+xBa2-xCu30y FILMS INCLUDING SELF-ASSEMBLED BaM03 (M=Zr, Sn) NANORODS.2008

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, A. Ichinose, et. al.
    • Organizer
      The 21th International Symposium on Superconductivity (ISS2008)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-10-28
  • [Presentation] Reciprocal space mapping of BaZrO3 within (Nd, Eu, Ga) Ba2Cu3Oy films prepared by various film growth technique2008

    • Author(s)
      Y. Ichino, Y. Yoshida, S. Funaki, T. Ozaki, Y. Takai, K. Matsumoto, et. al.
    • Organizer
      The 21th International Symposium on Superconductivity (ISS2008)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-10-28
  • [Presentation] Jc of SmBa2Cu3Oy films improved in the whole angle by introducing BaM03 nanoparticles2008

    • Author(s)
      T. Harada, Y. Yoshida, Y. Ichino, T. Ozaki, et. al.
    • Organizer
      The 21th International Symposium on Superconductivity (ISS2008)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-10-28
  • [Presentation] Flux pinning properties and microstructures in SmBa2Cu3Oy thin films including self-organized columnar defects formed at various processes2008

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, T. Harada, Y. Takai, K. Matsumoto et. al.
    • Organizer
      The 21th International Symposium on Superconductivity (ISS2008)
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-10-28
  • [Presentation] BaZrO3ナノロツドがVLS-SmBCO膜の結晶格子に及ぼす影響2008

    • Author(s)
      船木修平, 吉田隆, 一野祐亮, 高井吉明, 松本要, 他4名
    • Organizer
      応用物理学会
    • Place of Presentation
      愛知
    • Year and Date
      2008-09-02
  • [Presentation] Effect of BaZrO3 addition and film growth on superconducting properties of (Nd, Eu, Gd) Ba2Cu3Oy thin films2008

    • Author(s)
      Y. Ichino, Y. Yoshida, Y. Takai, et. al.
    • Organizer
      Applied Superconductivity Conference
    • Place of Presentation
      Chicago, USA
    • Year and Date
      2008-08-19
  • [Presentation] Flux pinning properties and microstructure in Sml+xBa2-xCu3Oy films with BaZrO3 nanorods fabricated by Vapor-Liquid-Solid growth technique.2008

    • Author(s)
      S. Funaki, Y. Yoshida, Y. Ichino, Y. Takai, K. Matsumoto, et. al.
    • Organizer
      Applied Superconductivity Conference
    • Place of Presentation
      Chicago, USA
    • Year and Date
      2008-08-19
  • [Presentation] Improved flux pinning in nanostructured REBCO films controlling the APC growth2008

    • Author(s)
      Y. Yoshida, Y. Ichino, Y. Takai, et. al.
    • Organizer
      Applied Superconductivity Conference
    • Place of Presentation
      Chicago, USA
    • Year and Date
      2008-08-19
  • [Presentation] Flux pinning characteristics of Sm1+xBa2-xCu3Oy films with the additional c-axis correlated pinning centers2008

    • Author(s)
      T. Ozaki, Y. Yoshida, Y. Ichino, Y. Takai, et. al.
    • Organizer
      Applied Superconductivity Conference
    • Place of Presentation
      Chicago, USA
    • Year and Date
      2008-08-19
  • [Presentation] BaZrO3ナノロツド導入によるVLS-SmBCO膜の超伝導特性向上2008

    • Author(s)
      船木修平, 吉田隆, 一野祐亮, 高井吉明, 他
    • Organizer
      2008年春季低温工学超電導学会
    • Place of Presentation
      東京
    • Year and Date
      2008-05-27
  • [Presentation] BaZrO3人工ドットを導入したNd/Gd/Eu)BCO薄膜の超伝導特性2008

    • Author(s)
      一野祐亮, 吉田隆, 高井吉明, 松本要, 向田昌志, 他
    • Organizer
      2008年春季低温工学超電導学会
    • Place of Presentation
      東京
    • Year and Date
      2008-05-27
  • [Book] 酸化物系薄膜(熱電変換技術ハンドブック)2008

    • Author(s)
      吉田隆
    • Total Pages
      419-424
    • Publisher
      エヌティーエス
  • [Book] ナノ欠陥導入酸化物材料(機能材料2009年2月号)2008

    • Author(s)
      吉田隆
    • Total Pages
      25-30
    • Publisher
      シーェムシー出版

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Published: 2010-06-11   Modified: 2016-04-21  

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