Valence states and spin structure of spinel FeV2O4 with different orbital degrees of freedom
Physical Review B 85 巻 16 号
165136- 頁
2012 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Valence states and spin structure of spinel FeV2O4 with different orbital degrees of freedom
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| 作成者 |
Kang J.-S.
Hwang Jihoon
Kim D. H.
Lee Eunsook
Kim W. C.
Kim C. S.
Kwon Sangil
Lee Soonchil
Kim J.-Y.
Ueno Tetsuro
Kim Bongjae
Hyun Kim Beom
Min B. I.
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| 収録物名 |
Physical Review B
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| 巻 | 85 |
| 号 | 16 |
| 開始ページ | 165136 |
| 抄録 |
The electronic structure of spinel FeV2O4, which contains two Jahn-Teller active Fe and V ions, has been investigated by employing soft x-ray absorption spectroscopy (XAS), soft x-ray magnetic circular dichroism (XMCD), and nuclear magnetic resonance (NMR). XAS indicates that V ions are trivalent and Fe ions are nearly divalent. The signs of V and Fe 2p XMCD spectra are opposite to each other. It is found that the effect of the V 3d spin-orbit interaction on the V 2p XMCD spectrum is negligible, indicating that the orbital ordering of V t2g states occurs from the real orbital states and that the orbital moment of a V3+ ion is mostly quenched. NMR shows that V spins are canted to have a Yafet-Kittel-type triangular spin configuration.
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| NDC分類 |
物理学 [ 420 ]
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2012 |
| 権利情報 |
(c) 2012 American Physical Society
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.85.165136
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.85.165136
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