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Optimization of the multiferroic BiFeO3 thin films by divalent ion (Mn, Ni) co-doping at B-sites

  • Guohua Dong
  • , Guoqiang Tan
  • , Yangyang Luo
  • , Wenlong Liu
  • , Huijun Ren
  • , Ao Xia

科研成果: 期刊稿件文章同行评审

28 引用 (Scopus)

摘要

Multiferroic BiFe0.96-xMn0.04NixO 3 (BFMNO) thin films were prepared on fluorine doped tin oxide (FTO) substrates by the chemical solution deposition (CSD) method. X-ray diffraction, Rietveld refinement and Raman spectra reveal the structural transition from rhombohedral (R3c:H) to the biphasic structure (R3c:H+R3m:R) with Mn/Ni co-doping. The X-ray photoelectron spectroscopy analysis confirms the coexistence of Fe3+ and Fe2+ ions in the thin films. The lower leakage current density (8.1×10-6 A/cm2 at 300 kV/cm) via co-doping is obtained. The two-phase coexistence of BFMN 3O gives rise to the superior ferroelectric (2Pr=226.4 μC/cm2) and the enhanced ferromagnetic properties (M s=15.9 emu/cm3).

源语言英语
页(从-至)31-33
页数3
期刊Materials Letters
118
DOI
出版状态已出版 - 1 3月 2014
已对外发布

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