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

Zhang Hui; Zeng De-Chang; Liu Zhong-Wu

doi:10.7498/aps.60.067503

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.

Keywords:

Authors and contacts

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

References

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Cited By

[1]	Clark A E, Restorff J B, Wun-Fogle M, Lograsso T A, Schlagel D L 2000 IEEE Trans. Magn. 36 3238
[2]	Kellogg R A, Flatau A B, Clark A E, Wun-Fogle M, Lograsso T A 2002 J. Appl. Phys. 91 7821
[3]	Clark A E, Hathaway K B, Wun-Fogle M, Restorff J B, Lograsso T A, Keppens V M, Petculescu G, Taylor R A 2003 J. Appl. Phys. 93 8621
[4]	Wun-Fogle M, Restorff J B, Clark A E 2009 J. Appl. Phys. 105 07A923
[5]	Clark A E, Yoo J H, Cullen J R, Wun-Fogle M, Petculescu G, Flatau A 2009 J. Appl. Phys. 105 07A913
[6]	Cullity B D, Graham C D 2009 Introduction to Magnetic Materials (Wiley, New Jersey) 258
[7]	Jiles D C, Thoelke J B 1994 J. Magn. Magn. Mater. 134 143
[8]	Zhang H, Zeng D 2010 Atca Phys. Sin. 59 2808 (in Chinese) [张辉、曾德长 2010 物理学报 59 2808]
[9]	Zhang H, Zeng D 2010 J. Appl. Phys. 107 123918
[10]	Evans P G, Dapino M J 2009 J. Appl. Phys. 105 113901
[11]	Evans P G, Dapino M J 2008 IEEE Trans. Magn. 44 1711
[12]	Restorff J B, Wun-Fogle M, Clark A E, Hathaway K B 2006 IEEE Trans. Magn. 42 3087
[13]	Wun-Fogle M, Restorff J B, Clark A E 2006 J. Intel. Mat. Syst. Str. 17 117
[14]	Atulasimha J 2006 Ph. D. Dissertation (Maryland:University of Maryland)

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Catalog

Vol. 60, Issue 6 - 2011-03-20

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