Magnetic anisotropy-induced spin-reorientation in spinel FeCr2S4 |
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| Authors: | Chen Shen Ran Tong Bosen Wang Yuheng Zhang |
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| Affiliation: | a Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
b National High Magnetic Field Laboratory, University of Science and Technology of China, Hefei 230026, People's Republic of China |
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| Abstract: | In this paper, the low-field magnetic behavior of polycrystalline FeCr2S4 was investigated by thermal circling the sample from 5 to 200 K at a constant magnetic field. We show that, upon cooling the sample at 50 Oe to a temperature below the Curie temperature then warming back, the magnetization displays irreversibility between cooling and warming sequence. The irreversible behavior was suppressed gradually with increasing magnetic field. By considering spin-reorientation due to the increase of magnetic anisotropy upon cooling, the irreversible behavior has been explained qualitatively. |
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| Keywords: | 75.30.Gw 75.50.Vv 75.60.Nt |
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