Influence of La and Ru Dopants on Multiferroic Properties of Polycrystalline BiFeO₃ Thin Films Influence of La and Ru Dopants on Multiferroic Properties of Polycrystalline BiFeO3 Thin Films

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著者

    • Yan Feng Yan Feng
    • Department of Mechanical Engineering, National University of Singapore, 9, Engineering Drive 1, Singapore, 117576
    • Lu Li
    • Department of Mechanical Engineering, National University of Singapore, 9, Engineering Drive 1, Singapore, 117576

抄録

The influences of La and Ru codopants on the microstructure, nanoscale ferroelectric domain structure, and macroscopic ferroelectric and ferromagnetic properties of polycrystalline BiFeO3 (BFO) films have been studied systematically. Microstructure studies indicate that the films have a pure and polycrystalline phase with phase transition from rhombohedral to monoclinic structure due to the simultaneous introduction of La and Ru ions. The ferroelectric domain structure and domain wall number of the BFO film are remarkably modified by the codoping effect. The macroscopic electrical and magnetic properties were improved because of the varied nanoscale domain structure and defect chemistry atmosphere caused by La and Ru ions.

収録刊行物

  • Applied physics express

    Applied physics express 4(11), 111502-111502-3, 2011-11-25

    The Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10030153220
  • NII書誌ID(NCID)
    AA12295133
  • 本文言語コード
    EN
  • 資料種別
    SHO
  • ISSN
    18820778
  • NDL 記事登録ID
    023321054
  • NDL 請求記号
    Z78-A526
  • データ提供元
    CJP書誌  NDL  JSAP 
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