Magneto-Dielectric Properties of Epitaxial Ba(Fe₀.₅Sn₀.₅)O[3-δ] Thin Films on (001) SrTiO₃ Substrates by Pulsed Laser Deposition

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  • Shinoda Ryoichi
    Department of Materials Science, Osaka Prefecture University
  • Iwase Akihiro
    Department of Materials Science, Osaka Prefecture University
  • Matsui Toshiyuki
    Department of Materials Science, Osaka Prefecture University Research Organization for the 21st Century, Osaka Prefecture University

書誌事項

タイトル別名
  • Magneto-Dielectric Properties of Epitaxial Ba(Fe<sub>0.5</sub>Sn<sub>0.5</sub>)O<sub>3−δ</sub> Thin Films on (001) SrTiO<sub>3</sub> Substrates by Pulsed Laser Deposition
  • Magneto-Dielectric Properties of Epitaxial Ba(Fe<sub>0.5</sub>Sn<sub>0.5</sub>)O<sub>3&minus;&delta;</sub> Thin Films on (001) SrTiO<sub>3</sub> Substrates by Pulsed Laser Deposition
  • Magneto-Dielectric Properties of Epitaxial Ba(Fe0.5Sn0.5)O3−δ Thin Films on (001) SrTiO3 Substrates by Pulsed Laser Deposition

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説明

Epitaxial thin films of a novel magneto-dielectric perovskite compound, Ba(Fe0.5Sn0.5)O3−δ(BFSO), have been synthesized on (001) SrTiO3 single crystalline substrates. The BFSO thin films have ferromagnetic nature, with saturation magnetization of 34 emu/cc at 300 K. The origin of the ferromagnetic nature of BFSO is the superexchange coupling of Fe4+(d4)–O2−–Fe4+(d4). Electrical conduction in BFSO can be determined to be space charge limited type conduction, but the leakage current increased under high electric fields.

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