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Effect of compressive stress on the magnetization and magnetostriction of Fe0.81 Ga0.19 alloy

Zhang Hui Zeng De-Chang Liu Zhong-Wu

Effect of compressive stress on the magnetization and magnetostriction of Fe0.81 Ga0.19 alloy

Zhang Hui, Zeng De-Chang, Liu Zhong-Wu
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Publishing process
  • Received Date:  31 August 2010
  • Accepted Date:  27 September 2010
  • Published Online:  05 March 2011

Effect of compressive stress on the magnetization and magnetostriction of Fe0.81 Ga0.19 alloy

  • 1. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China

Abstract: The magnetomechanical effect and the magnetostriction in the -oriented single crystal of Fe0.81Ga0.19 alloy have been investigated on the basis of Stoner-Wohlfarth model. The results have shown that in the demagnetized state the degeneracy of the resultant anisotropy in the alloy from the original cubic magnetocrystalline anisotropy into the biaxial anisotropy occurs under a critical stress. This leads to an increase in the fractional occupancy of 90° domain which causes an increase the bulk magnetostriction.

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