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Crystal structure and magnetic properties of RSn alloys, where R is Tb, Dy, Ho, and Er

Journal of Applied Physics, ISSN: 0021-8979, Vol: 109, Issue: 7
2011
  • 9
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  • 13
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Metrics Details

  • Citations
    9
    • Citation Indexes
      9
  • Captures
    13

Conference Paper Description

Crystal structure and magnetic properties of RSn alloys with R = Tb, Dy, Ho, and Er have been studied. RSn , RSn, and RSn phases coexist in the annealed alloys and the content of 11:10 and 5:3 phases varies between 9 and 17 wt. The RSn major phase has SmGe-type orthorhombic structure with space group Pnma. TbSn has a complex magnetic structure, spin re-orientation and ferrimagnetic-paramagnetic phase transitions occur at ∼54 and ∼84 K, respectively. For DySn, Ho Sn, and ErSn, the antiferromagnetic-paramagnetic phase transitions occur at about 22, 15, and 8 K, respectively. The magnetic entropy changes (-δS) of all alloys are negative at low temperature and changes to positive at higher temperatures, which could be attributed to the change of magnetic states. © 2011 American Institute of Physics.

Bibliographic Details

X. C. Zhong; M. Zou; H. Zhang; Z. W. Liu; D. C. Zeng; K. A. Gschneidner Jr.; V. K. Pecharsky

AIP Publishing

Physics and Astronomy

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