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Photo-induced phase transition by electron or phonon excitation in transition metal oxides

Research Project

Project/Area Number 20740172
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics I
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

TAKUBO Naoko  The Institute of Physical and Chemical Research, 加藤分子物性研究室, 基礎科学特別研究員 (60447315)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords光物性 / 強相関電子系 / 絶縁体-金属転移 / 薄膜 / 伝導度測定 / 光誘起相転移
Research Abstract

In this work, I investigated photo-induced phase transition in strongly-correlated electron systems. Persistent photo-induced insulator to metal transition have been observed in thin films. Photo-induced metal to insulator transition has been achieved in Pr(Ca, Sr)MnO_3 film.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (21 results)

All 2010 2009 2008 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (12 results) Remarks (1 results)

  • [Journal Article] Photo-induced conductivity in tin dioxide thin films2009

    • Author(s)
      Y. Muraoka, N. Takubo, Z. Hiroi
    • Journal Title

      Journal of Applied Physics Vol.105,103702

      Pages: 1-7

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conductivity switching by ultraviolet light in SnO2 thin films2009

    • Author(s)
      N. Takubo, Y. Muraoka, Z. Hiroi
    • Journal Title

      Applied Physics Express Vol.2,045501

      Pages: 1-3

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of UV light irradiation in SnO2 thin film2009

    • Author(s)
      N. Takubo, Y. Muraoka, Z. Hiroi
    • Journal Title

      Journal of Physics: Conference Series Vol.148,012025

      Pages: 1-3

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effect of UV light irradiation in SnO2 thin film2009

    • Author(s)
      Naoko Takubo
    • Journal Title

      Journal of physics : conference series (in press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photo-induced conductivity in tin dioxide thin films2009

    • Author(s)
      Yuji Muraoka
    • Journal Title

      Journal of applied physics (in press)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photoinduced Metal-to Insulator Transition in a Perovskite Manganite Thin Film2008

    • Author(s)
      N. Takubo, I. Onishi, K. Takubo, T. Mizokawa, K. Miyano
    • Journal Title

      Physical Review Letters Vol.101,177403

      Pages: 1-4

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Photoinduced metallic state in VO2 proved by terahertz pump-probe spectroscopy2008

    • Author(s)
      M. Nakajima, N. Takubo, Z. Hiroi, Y. Ueda, T. Suemoto
    • Journal Title

      Applied Physics Letters Vol.92,011907

      Pages: 1-3

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Photoinduced metal-to- insulator transition in a manganite thin film2008

    • Author(s)
      Naoko Takubo
    • Journal Title

      Physical review letters 101

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 電荷秩序状態を示すBEDT-TTF塩における光電流2010

    • Author(s)
      田久保直子
    • Organizer
      日本物理学会 2010年年次大会
    • Place of Presentation
      岡山
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 電荷秩序状態を示すBEDT-TTF塩における光電流2010

    • Author(s)
      田久保直子、田嶋尚也、川椙義高、山本浩史、加藤礼三
    • Organizer
      日本物理学会
    • Related Report
      2009 Final Research Report
  • [Presentation] Pr0. 55(Ca1-ySry)0. 45MnO3薄膜の光スイッチング効果-構造の光照射効果2010

    • Author(s)
      若林祐助、小川直毅、田久保直子、市川広彦、佐藤篤志、一柳光平、足立伸一、腰原伸也、宮野健次郎、澤博
    • Organizer
      日本物理学会年次会
    • Related Report
      2009 Final Research Report
  • [Presentation] BEDT-TTF塩における光誘起絶縁体-金属転移2009

    • Author(s)
      田久保直子
    • Organizer
      日本物理学会 2009年秋季大会
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] Photoinduced insulator to metal tyransition in (BEDT-TTF)3(CIO4)2 and related materials2009

    • Author(s)
      Naoko Takubo, Naoya Tajima, Reizo Kato
    • Organizer
      ISCOM 2009
    • Year and Date
      2009-09-12
    • Related Report
      2009 Final Research Report
  • [Presentation] Photoinduced insulator to metal tyransition in(BEDT-TFF)_3(CIO_4)_2 and related materials2009

    • Author(s)
      田久保直子
    • Organizer
      ISCOM 2009
    • Place of Presentation
      Hokkaido
    • Year and Date
      2009-09-12
    • Related Report
      2009 Annual Research Report
  • [Presentation] BEDT-TTF塩における光誘起絶縁体-金属転移2009

    • Author(s)
      田久保直子、田嶋尚也、加藤礼三
    • Organizer
      日本物理学会第67回年次会
    • Related Report
      2009 Final Research Report
  • [Presentation] 酸化バナジウムVO2におけるテラヘルツポンププロープ分光(2)2009

    • Author(s)
      中嶋誠、田久保直子、廣井善二、上田寛、末元徹
    • Organizer
      日本物理学会年次会
    • Related Report
      2009 Final Research Report
  • [Presentation] Effect of UV light irradiation in SnO2 thin film2008

    • Author(s)
      Naoko Takubo, Yusuke Muraoka, Zenji Hiroi
    • Organizer
      PIPT 2008
    • Year and Date
      2008-11-13
    • Related Report
      2009 Final Research Report
  • [Presentation] Effect of UV light irradiation in SnO2 thin film2008

    • Author(s)
      Naoko Takubo
    • Organizer
      PIPT 2008
    • Place of Presentation
      Osaka
    • Year and Date
      2008-11-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] Photo-induced effect in tin dioxide thin films2008

    • Author(s)
      Naoko Takubo, Yusuke Muraoka, Zenji Hiroi
    • Organizer
      Workshop on oxide electronics 15
    • Year and Date
      2008-09-16
    • Related Report
      2009 Final Research Report
  • [Presentation] Photo-induced effect in tin dioxide thin films2008

    • Author(s)
      Naoko Takubo
    • Organizer
      Workshop on oxide electronics 15
    • Place of Presentation
      Denver
    • Year and Date
      2008-09-16
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.riken.jp/lab-www/molecule/member/takubo/takubo.html

    • Related Report
      2009 Final Research Report

URL: 

Published: 2008-04-01   Modified: 2020-05-15  

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