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2009 Fiscal Year Final Research Report

Foundation of MgB2 superconducting junction technology

Research Project

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Project/Area Number 18080003
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

NAITO Michio  Tokyo University of Agriculture and Technology, 大学院・共生科学技術研究院, 教授 (40155643)

Project Period (FY) 2006 – 2009
Keywords超伝導材料・素子 / 低消費電力・高エネルギー密度 / テラヘルツ / 赤外材料・素子 / トンネル現象 / 単一光子検出
Research Abstract

It has been predicted that the global helium resources will beexhausted in the 21st century. In the end of the 21st century, all of currentsuperconducting electronics applications relying on niobium (Tc ~ 9 K) will be ended. Thisresearch project has been performed to develop the Josephson junction fabricationtechnology using recently discovered MgB2 with Tc = 40 K, aiming at establishing thefoundation of superconducting electronics with MgB2 operating above 20 K (hydrogenboiling temperature) as “post-niobium" superconducting electronics. In this project, thegrowth techniques of high-quality MgB2 films have been developed either bylow-temperature molecular beam epitaxy or by high-temperature chemical vapordeposition. The fabrication of all MgB2 Josephson junctions has also been attemptedusing various barrier materials.

  • Research Products

    (17 results)

All 2010 2009 2008 2007 2006

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (11 results)

  • [Journal Article] Magneto-optical observation of magnetic flux in patterned MgB2 films2008

    • Author(s)
      T. Ishibashi, T. Kawata, A. Tsukada, H. Shibata, M. Naito, K. Sato
    • Journal Title

      Physica C468

      Pages: 1313-1315

    • Peer Reviewed
  • [Journal Article] Superconducting weak bonds at grain boundaries in MgB22007

    • Author(s)
      M.A. Tarasov, E.A. Stepanov, M. Naito, A. Tsukda, D. Winkler, A.S. Kalabukhov, M.Y. Kupriyanov
    • Journal Title

      J. Experimental and Theoretical Physics (JETP) 105

      Pages: 636-641

    • Peer Reviewed
  • [Journal Article]2007

    • Author(s)
      K. Ueda, S. Saito, K. Semba, T. Makimoto
    • Journal Title

      M. Naito, Jpn. J. Appl. Phys. 46

      Pages: L271-L273

    • Peer Reviewed
  • [Journal Article] Terahertz mixing in MgB2 microbolometers2007

    • Author(s)
      S. Cherednichenko, V. Drakinskiy, K. Ueda, M. Naito
    • Journal Title

      Appl. Phys. Lett. 90

      Pages: Art.No.023507

    • Peer Reviewed
  • [Journal Article] Grain boundary weak link in a-b plane in MgB2 film2006

    • Author(s)
      E. Stepantsov, M. Tarasov, M. Naito, A. Tsukada, D. Winkler
    • Journal Title

      Appl. Phys. Lett. 89

      Pages: Art.No.213111

    • Peer Reviewed
  • [Journal Article] MgB2薄膜・接合作製の現状とデバイス応用への展望2006

    • Author(s)
      内藤方夫
    • Journal Title

      低温工学 41巻,11号

      Pages: 463-473

    • Peer Reviewed
  • [Presentation] ポケットヒーターを用いた改良型物理化学混合気相成長法によるMgB2薄膜の成長2010

    • Author(s)
      沢木勇人, 内藤方夫
    • Place of Presentation
      東海大学
    • Year and Date
      2010-03-19
  • [Presentation] MgB2超薄膜の作製2010

    • Author(s)
      新原佳紘, 石井林太郎, 岩田侑也, 内藤方夫
    • Place of Presentation
      東海大学
    • Year and Date
      2010-03-19
  • [Presentation] Growth of MgB2 ultra thin films2010

    • Author(s)
      Y. Niihara, Y. Iwata, M. Naito
    • Organizer
      Superconducting SFQ VLSI Workshop (SSV 2010)
    • Place of Presentation
      Yokohama National University, Yokohama
    • Year and Date
      2010-01-13
  • [Presentation] MgB2 thin film growth by modified hybrid physical chemical deposition with a pocket heater2010

    • Author(s)
      H. Sawaki, M. Naito
    • Organizer
      Superconducting SFQ VLSI Workshop (SSV 2010)
    • Place of Presentation
      Yokohama National University, Yokohama
    • Year and Date
      2010-01-13
  • [Presentation] Material issues in fabrication of MgB2 Josephson junctions2010

    • Author(s)
      M. Naito, Y. Niihara, Y. Iwata, N. Mitamura, C. Maruyama, H. Akaike, A. Fujimaki
    • Organizer
      Superconducting SFQ VLSI Workshop (SSV 2010)
    • Place of Presentation
      Yokohama National University, Yokohama
    • Year and Date
      2010-01-13
  • [Presentation] アモルファスボロン障壁層を用いたMgB2ジョセフソン接合の作製2009

    • Author(s)
      御田村直樹, 丸山千風, 赤池宏之, 藤巻朗, 石井林太郎, 新原佳紘, 内藤方夫
    • Organizer
      第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-08
  • [Presentation] 分子線エピタキシー法によるMgB2/I/MgB2積層構造の作製2009

    • Author(s)
      新原佳紘, 石井林太郎, 岩田侑也, 内藤方夫
    • Organizer
      第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-08
  • [Presentation] 分子線エピタキシー法によるAlB2/MgB2積層構造の作製2009

    • Author(s)
      石井林太郎, 楢舘英知, 束田昭雄, 内藤方夫
    • Organizer
      第56回応用物理関係連合講演会
    • Place of Presentation
      つくば大学
    • Year and Date
      2009-04-02
  • [Presentation] SNS接合のためのAlB2薄膜の作製2008

    • Author(s)
      石井林太郎, 新原佳紘, 束田昭雄, 内藤方夫
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学
    • Year and Date
      2008-09-02
  • [Presentation] 分子線エピタキシー法によるMgB2薄膜の作製2008

    • Author(s)
      石井林太郎, 楢舘英知, 束田昭雄, 内藤方夫
    • Organizer
      第55回応用物理関係連合講演会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2008-03-27
  • [Presentation] MBE growth of MgB22008

    • Author(s)
      M. Naito, R. Ishii
    • Organizer
      Superconducting SFQ VLSI Workshop (SSV 2008)
    • Place of Presentation
      Yokohama National University, Japan
    • Year and Date
      2008-03-17

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Published: 2011-06-18   Modified: 2016-04-21  

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