; Hattori, Takeshi] Tokyo Univ Sci, Dept Appl Phys, Tokyo 1628601, Japan
; [Sakamoto, Wataru
; Itoh, Naoyuki
; Shimura, Tetsuo
; Yogo, Toshinobu] Nagoya Univ, EcoTopia Sci Inst, Nagoya, Aichi 4648603, Japan
; [Yao, Peng
; Liu, Yi-Sheng
; Glans, Per-Anders
; Guo, Jinghua] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
; [Chang, Chinglin] Tamkang Univ, Dept Phys, Tamsui 251, Taiwan
; [Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
Article; Proceedings Paper
The electronic structures of BiFeO3 (BF) and Mn-doped BiFeO3 [BF(Mn)] have been studied by X-ray absorption spectroscopy (XAS) and soft-X-ray emission spectroscopy (SXES). BF and BF(Mn) have a mixed valence state of Fe2+ and Fe3+. Their valence hand is mainly composed of the O 2p state hybridized with the majority-spin t(2g) and e(g) orbitals of Fe 3d state. The Conduction band is composed of the minority-spin t(2g) and e(g) orbitals of Fe 3d. The band gaps of BF and BF(Mn) are estimated to be 1.3 eV and 2.7 eV, respectively. The increasing in band gap with Mn substitution contributes to a change in the handwidth of the valence hand.
Higuchi, T,Hattori, T,Sakamoto, W,et al. Effect of Mn substitution for multiferroic BiFeO3 probed by high-resolution soft-X-ray spectroscopy[J]. JAPANESE JOURNAL OF APPLIED PHYSICS,2008,47(9):7570-7573.
Higuchi, T.,Hattori, T.,Sakamoto, W.,Itoh, N.,Shimura, T.,...&吴自玉.(2008).Effect of Mn substitution for multiferroic BiFeO3 probed by high-resolution soft-X-ray spectroscopy.JAPANESE JOURNAL OF APPLIED PHYSICS,47(9),7570-7573.
Higuchi, T,et al."Effect of Mn substitution for multiferroic BiFeO3 probed by high-resolution soft-X-ray spectroscopy".JAPANESE JOURNAL OF APPLIED PHYSICS 47.9(2008):7570-7573.