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Development of dislocation nano-wires in SrTiO_3

Research Project

Project/Area Number 21360306
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Physical properties of metals
Research InstitutionNagoya University (2011)
The University of Tokyo (2009-2010)

Principal Investigator

YAMAMOTO Takahisa  名古屋大学, 工学研究科, 教授 (20220478)

Co-Investigator(Kenkyū-buntansha) MIZOGUCHI Teruyasu  東京大学, 工学系研究科, 准教授 (70422334)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2011: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2009: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Keywordsチタン酸ストロンチウム / 転位 / 細線 / ドーパント / 原子構造 / 電子状態 / 粒界 / 高分解能像 / 小傾角粒界 / 陽イオン不定比 / 粒界構造ユニット / PLD / ナノワイヤー / 走査透過型電子顕微鏡 / 二重ショットキー障壁 / ナノ材料
Research Abstract

Dislocations are a kind of one dimensional lattice defects. In the several nm area around the dislocation, there exits stress due to the lattice defects. At the area, diffusivity is kwon to increase due to such stress induced by the lattice defects, which is called pipe-diffusion. By using the phenomena, we can fabricate nano-wires around the dislocation core inside a bulk. In this study, we tried to fabricate the dislocation nano-wires in SrTiO3, and AlN and so on.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (13 results)

All 2011 2010 2009

All Journal Article (8 results) (of which Peer Reviewed: 6 results) Presentation (5 results)

  • [Journal Article] Defect energetics in SrTiO3 symmetric tilt grain boundaries2011

    • Author(s)
      H.S.Lee, et al
    • Journal Title

      Physical Review B

      Volume: 83 Issue: 10 Pages: 104110-104110

    • DOI

      10.1103/physrevb.83.104110

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nano/sub-nano analysis based on high resolution transmission electron microscopy for ceramic materials学術賞受賞解説論文2011

    • Author(s)
      T. Yamamoto
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 119 Pages: 8-15

    • Related Report
      2011 Final Research Report
  • [Journal Article] Growth of Ruddlesden-Popper type faults in Sr-excess SrTiO(3) homoepitaxial thin films by pulsed laser deposition2011

    • Author(s)
      Y.Tokuda, S.Kobayashi, T.Ohnishi, T.Mizoguchi, N.Shibata, Y.Ikuhara, T.Yamamoto
    • Journal Title

      APPLIED PHYSICS LETTERS

      Volume: 99 Issue: 17 Pages: 173109-173109

    • DOI

      10.1063/1.3656340

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characterization and atomic modeling of an asymmetric grain boundary2011

    • Author(s)
      HS.Lee, T.Mizoguchi, T.Yamamoto, S-JL.Kang, Y.Ikuhara
    • Journal Title

      PHYSICAL REVIEW B

      Volume: 84 Issue: 19 Pages: 195319-195319

    • DOI

      10.1103/physrevb.84.195319

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nano/sub-nano analysis based on high resolution transmission electron microscopy for ceramic materials2011

    • Author(s)
      T.Yamamoto
    • Journal Title

      Journal of Ceramic Society of Japan

      Volume: 119巻 Pages: 8-15

    • NAID

      130000420841

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electrical current flow at conductive nanowires formed in GaN thin films by a dislocation template technique2011

    • Author(s)
      Shinichi Amma
    • Journal Title

      APPLIED PHISICS LETTER (印刷中(掲載確定))

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] First Principles Study on Intrinsic Vacancies in Cubic and Orthorhombic CaTiO_32009

    • Author(s)
      H. Lee, T. Mizoguchi, T. Yamamoto and Y. Ikuhara
    • Journal Title

      Materials Transactions

      Volume: 50[5] Pages: 977-983

    • NAID

      10024814270

    • Related Report
      2011 Final Research Report
  • [Journal Article] Atomic structure of threading dislocations in AIN thin films2009

    • Author(s)
      Yuki Tokumoto
    • Journal Title

      PHYSICA B-CONDENSED MATTER 404

      Pages: 4886-4888

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] Oxygen vacancies in SrMnO3-δ thin films grown by pulsed laser deposition2011

    • Author(s)
      S.Kobayashi, et.al.
    • Organizer
      ICTF-15
    • Place of Presentation
      京都大学(京都府)
    • Year and Date
      2011-11-08
    • Related Report
      2011 Annual Research Report
  • [Presentation] パルスレーザー堆積法を用いたSrMnO3-δ薄膜の酸素欠損制御2011

    • Author(s)
      小林俊介, 他
    • Organizer
      秋季第72回応用物理学会学術講演会
    • Place of Presentation
      山形大学(山形県)
    • Year and Date
      2011-09-01
    • Related Report
      2011 Annual Research Report
  • [Presentation] Cation Off-stoichiometry at/near Surfaces in SrTiO_32010

    • Author(s)
      T.Yamamoto
    • Organizer
      3rd International Congress on Ceramics
    • Place of Presentation
      大阪国際会議場(大阪府)
    • Year and Date
      2010-11-17
    • Related Report
      2010 Annual Research Report
  • [Presentation] 構造・機能セラミックスの粒界計測と組織制御に関する研究2010

    • Author(s)
      山本剛久
    • Organizer
      日本セラミックス協会
    • Place of Presentation
      東京農工大学
    • Year and Date
      2010-03-23
    • Related Report
      2009 Annual Research Report
  • [Presentation] Grain boundaries in electro ceramics2010

    • Author(s)
      T. Yamamoto
    • Organizer
      XIII International Conference on Intergranular and Interphase Boundaries in Materials(iib2010)
    • Place of Presentation
      Ise, Japan
    • Related Report
      2011 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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