Electronic structures of Fe3-x Mx O4 (M=Mn,Zn) spinel oxide thin films investigated by x-ray photoemission spectroscopy and x-ray magnetic circular dichroism

Junichi Takaobushi, Mizue Ishikawa, Shigenori Ueda, Eiji Ikenaga, Jung Jin Kim, Masaaki Kobata, Yukiharu Takeda, Yuji Saitoh, Makina Yabashi, Yoshinori Nishino, Daigo Miwa, Kenji Tamasaku, Tetsuya Ishikawa, Issei Satoh, Hidekazu Tanaka, Keisuke Kobayashi, Tomoji Kawai

研究成果: ジャーナルへの寄稿記事査読

86 被引用数 (Scopus)

抄録

We fabricated Fe3-x Mx O4 (M=Mn,Zn) thin film by pulsed laser deposition technique and investigated their electronic structure by hard x-ray photoemission spectroscopy (HX-PES) and x-ray magnetic circular dichroism (XMCD). HX-PES and XMCD revealed that the solid solution system of Fe3-x Mx O4 (M=Mn,Zn) is the best candidate for tunable ferromagnetic oxide semiconductor judging from systematic change of Fe, Mn core-level spectra, and valence band spectra by substitution. We present a model to explain modulation of electric and magnetic properties and electronic structure evolution caused by strongly correlated electron.

本文言語英語
論文番号205108
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
76
20
DOI
出版ステータス出版済み - 15 11月 2007
外部発表はい

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