First-Principles Study of Spin–Orbit Interactions in Bismuth Iron Garnet

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概要

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• We study the electronic structure of Bi3Fe5O12 (BIG) calculated by the fully relativistic first-principles method based on the density functional theory. It is found that the enhancement of the spin–orbit coupling due to the hybridization of Bi 6p is considerably larger in the Fe 3d conduction bands than in the O 2p and Fe 3d valence bands. The origin of this enhancement is that the Fe 3d conduction bands energetically overlap with Bi 6p bands. The results indicate the significance of spin–orbit coupling in Fe 3d conduction bands in relation to the large magneto-optical effect observed in BIG.

• 社団法人日本物理学会の論文
• 2005-01-15

著者

• SUZUKI Shugo

  Institute of Materials Science, University of Tsukuba

• NAKAO Kenji

  Institute of Materials Science, University of Tsukuba

• Suzuki Shugo

  Institute Of Materials Science University Of Tsukuba

• OIKAWA Tohru

  Technical Center, TDK Corporation

• Oikawa Tohru

  Technical Center Tdk Corporation

• Nakao Kenji

  Institute Of Materials Science University Of Tsukiba

• Nakao Kenji

  Institute Of Materials Science Uneversity If Tsukuba

• Suzuki Shugo

  Institute of Material Science, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan

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