Ferroelectricity Induced by Proper-Screw Type Magnetic Order(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
A novel type of magnetic origin of ferroelectric polarization is proposed. In crystals with triclinic, monoclinic, or trigonal (rhombohedral) symmetries, the proper screw type of magnetic ordering can induce ferroelectricity through the variation in the metal-ligand hybridization with spin-orbit coupling. The ferroelectric polarization in delafossite compounds Cu(Fe,Al)O_2 is successfully explained by the mechanism. The relation between the polarization direction and the magnetic modulation vector is also predicted.
- 社団法人日本物理学会の論文
- 2007-07-15
著者
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ARIMA Taka-hisa
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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Arima Taka-hisa
Institute Of Multidisciplinary Research For Advanced Materials Tohoku University
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Arima Taka-hisa
Institute Of Materials Science University Of Tsukuba
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Arima Taka‐hisa
Tohoku Univ. Sendai Jpn
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