Magnetic anisotropy-induced spin-reorientation in spinel FeCr2S4

  • Shen C
  • Yang Z
  • Tong R
 et al. 
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Abstract

In this paper, the low-field magnetic behavior of polycrystalline FeCr2S4was 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. © 2009 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Magnetic anisotropy
  • Spin-reorientation

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Authors

  • Chen Shen

  • Zhaorong Yang

  • Ran Tong

  • Gang Li

  • Bosen Wang

  • Yuping Sun

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