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2013 Fiscal Year Final Research Report

Theoretical study of multiferroic materials with main focus on manganites

Research Project

  • PDF
Project/Area Number 24740235
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Condensed matter physics II
Research InstitutionOsaka University

Principal Investigator

YAMAUCHI Kunihiko  大阪大学, 産業科学研究所, 助教 (00602278)

Project Period (FY) 2012-04-01 – 2014-03-31
Keywordsマルチフェロイック物質 / マンガン酸化物 / 第一原理電子状態計算 / 物質設計 / 磁性 / 強誘電性
Research Abstract

From 2012 to 2013, theoretical research has been performed on various multiferroic materials with special focus on manganites. Based on the electronic structure, the microscopic mechanism of the ferroelectricity has been clarified, which leads to designing of novel functional materials. In a part of this study, I have collaborated with experimental groups to understand the experimentally measured ferroelectric property. In another part, I have collaborated with a theoretical group (of Dr. Silvia Picozzi) to design new materials. This study produced the fruitful results as being "theory-leading study of multiferroics".

  • Research Products

    (12 results)

All 2014 2013 2012 Other

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (6 results) (of which Invited: 4 results) Remarks (1 results)

  • [Journal Article] Electronic ferroelectricity induced by charge and orbital orderings2014

    • Author(s)
      Kunihiko Yamauchi and Paolo Barone
    • Journal Title

      Journal of Physics : Condensed Matter

      Volume: 26 Pages: 103201/1-17

    • DOI

      10.1088/0953-8984/26/10/103201

    • Peer Reviewed
  • [Journal Article] Mechanism of Ferroelectricity in Half-Doped Manganites with Pseudocubic and Bilayer Structure2013

    • Author(s)
      Kunihiko Yamauchi and Silvia Picozzi
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 82 Pages: 113703-1-5

    • DOI

      10.7566/JPSJ.82.113703

    • Peer Reviewed
  • [Journal Article] Influence of lone pair doping on the multiferroic property of orthorhombic HoMnO3 : ab initio prediction2013

    • Author(s)
      Sathya Sheela Subramanian, Kunihiko Yamauchi, Taisuke Ozaki, Tamio Oguchi and Baskaran Natesan
    • Journal Title

      Journal of Physics : Condensed Matter

      Volume: 25 Pages: 385901-1-8

    • DOI

      10.1088/0953-8984/25/38/385901

    • Peer Reviewed
  • [Journal Article] Theoretical Prediction of Multiferroicity in SmBaMn2O62013

    • Author(s)
      Kunihiko Yamauchi
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 82 Pages: 043702-1-4

    • DOI

      10.7566/JPSJ.82.043702

    • Peer Reviewed
  • [Journal Article] Effects of strain on ferroelectric polarization and magnetism in orthorhombic HoMnO_32013

    • Author(s)
      D. Iusan, K. Yamauchi, P. Barone, B. Sanyal, O. Eriksson, G. Profeta, and S. Picozzi
    • Journal Title

      Physical Review B

      Volume: 87 Pages: 014403-1-8

    • DOI

      10.1103/PhysRevB.87.014403

    • Peer Reviewed
  • [Presentation] 第一原理計算を用いたマルチフェロイック物質の材料設計2013

    • Author(s)
      山内邦彦
    • Organizer
      物性研スパコン共同利用・CMSI合同研究会(第4回CMSI研究会)
    • Place of Presentation
      東大物性研
    • Year and Date
      2013-12-10
    • Invited
  • [Presentation] Theoretical prediction of novel magnetoelectric materials2013

    • Author(s)
      Kunihiko Yamauchi
    • Organizer
      Joint Workshop of Interactive Materials Science Cadet Program (IMSC)
    • Place of Presentation
      Osaka University, and S-1 JSPS Core-to-Core Program (A) Advanced Research Networks, Awaji-Yumebutai (Hyogo)
    • Year and Date
      2013-06-17
    • Invited
  • [Presentation] 層状Mn酸化物における電荷軌道秩序および強誘電性II2013

    • Author(s)
      山内邦彦
    • Organizer
      日本物理学会
    • Place of Presentation
      広島大学(ポスター発表)
    • Year and Date
      2013-03-27
  • [Presentation] Electronic state calculation in electronic ferroelectricity2012

    • Author(s)
      K. Yamauchi
    • Organizer
      CMRC Workshop"Novel dielectric property in correlated electron system - Electron and Structure-"
    • Place of Presentation
      International Congress Center Tsukuba
    • Year and Date
      2012-11-19
    • Invited
  • [Presentation] 層状Mn酸化物における電荷軌道秩序および強誘電性2012

    • Author(s)
      山内邦彦
    • Organizer
      日本物理学会
    • Place of Presentation
      横浜国立大学(ポスター発表)
    • Year and Date
      2012-09-21
  • [Presentation] Charge- order-induced multiferroicity in transition-metal oxides2012

    • Author(s)
      K. Yamauchi
    • Organizer
      ISSP-CMSI international workshop/symposium on MAterial Simulation in Petaflops era (MASP2012)
    • Place of Presentation
      ISSP Tokyo Univ.
    • Year and Date
      2012-07-02
    • Invited
  • [Remarks]

    • URL

      http://www.cmp.sanken.osaka-u.ac.jp/~kunihiko/

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Published: 2015-06-25  

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