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oxygen dynamics in transition metal oxides and functional properties

Research Project

Project/Area Number 16K13665
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Applied materials
Research InstitutionKyoto University

Principal Investigator

Daiuske Kan  京都大学, 化学研究所, 准教授 (40378881)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords酸化物ヘテロ構造 / 酸化物イオン / ダイナミクス / 酸素欠損型ペロブスカイト酸化物 / 酸化還元反応 / 酸素配位環境 / 輸送特性 / ドメイン境界 / 遷移金属酸化物 / 酸素欠損
Outline of Final Research Achievements

In this research project, we pay attention to oxygen dynamics in transition metal oxides and explore functional properties. Main results are as follows. (i) We found that interfacial structural mismatch significantly influence the arrangements of oxygen vacancies in transition mental oxides, indicating that heterostructuring oxides are a useful way in controlling the oxygen vacancy arrangements. (ii) We also show that redox reactions in oxygen deficient iron oxides proceeds spatially inhomogeneously and that the oxygen ions are preferably incorporated at specific local regions. Furthermore, we show that the local conduction can be reversibly controlled by electric-field-induced redox reactions, highlighting the significance of the nanoscale oxygen dynamics in redox reactions in oxide thin films.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (9 results)

All 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (8 results) (of which Int'l Joint Research: 5 results,  Invited: 5 results)

  • [Journal Article] Orbital magnetic moments in SrRuO3 epitaxial thin films with interfacially controlled magnetic anisotropy2016

    • Author(s)
      D. Kan, M. Mizumaki, T. Nishimura, and Y. Shimakawa
    • Journal Title

      Phys. Rev., B

      Volume: 94 Issue: 21 Pages: 214420-214420

    • DOI

      10.1103/physrevb.94.214420

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Interface engineering of metal-oxygen bonds in oxide heterostructures:a new route for exploring functional properties2017

    • Author(s)
      Daisuke Kan
    • Organizer
      American Physical Society 2017
    • Place of Presentation
      New Orleans U.S.
    • Year and Date
      2017-03-17
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 原子レベル構造制御による遷移金属酸化物の機能開発2017

    • Author(s)
      菅 大介
    • Organizer
      粉体粉末冶金協会 秋季大会
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Interface engineering of metal-oxygen bonds as a new route for exploring functional properties of transition metal oxides2017

    • Author(s)
      Daisuke Kan
    • Organizer
      3rd Computational Chemistry (CC) Symposium of ICCMSE 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Functional properties emerged in atomically engineered transition metal oxides2017

    • Author(s)
      Daisuke Kan
    • Organizer
      Core-to-Core Workshop "Novel Quantum and Functional Materials -Design and Synthesis-"
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Interface engineering of metal-oxygen bonds as a new route for exploring functional properties of transition metal oxides2016

    • Author(s)
      Daisuke Kan
    • Organizer
      Workshop on "Solid-state chemistry for oxide and mixed-anion systems
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2016-12-06
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Interface engineering of metal-oxygen bonds in oxide hetrostructure2016

    • Author(s)
      Daisuke Kan
    • Organizer
      Joint KU-VUW workshop 2016 -Science, Engineering and Applicatios of Electric and Electric Materials-
    • Place of Presentation
      Wellington, New Zealand
    • Year and Date
      2016-11-22
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 端面制御したペロブスカイト型酸化物エピタキシャル薄膜を用いた酸素還元反応触媒活性評価2016

    • Author(s)
      西村 幸恵、菅 大介、島川 祐一
    • Organizer
      第6回 CSJ化学フェスタ 2016
    • Place of Presentation
      東京
    • Year and Date
      2016-11-14
    • Related Report
      2016 Research-status Report
  • [Presentation] 酸化物ヘテロ界面・表面の酸素配位環境の制御と機能2016

    • Author(s)
      菅 大介
    • Organizer
      日本物理学会 秋季大会
    • Place of Presentation
      金沢市
    • Year and Date
      2016-09-14
    • Related Report
      2016 Research-status Report
    • Invited

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Published: 2016-04-21   Modified: 2019-03-29  

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