应力对铁磁薄膜磁滞损耗和矫顽力的影响

郭子政; 胡旭波

doi:10.7498/aps.62.057501

摘要

改进了JA-SW混合模型, 使之能处理具有两种单轴各向异性的磁体. 数值研究了面内应力对铁磁薄膜磁滞损耗和矫顽力的影响. 结果表明, 磁滞损耗和矫顽力与应力强度和应力施加方向以及外场取向有关. 磁滞损耗或矫顽力随应力强度变化的关系曲线并不完全是单调增加的, 比如当外场与易轴方向平行时会出现弯曲. 另外, 应力会造成矫顽力随外场取向角关系曲线的峰值偏移. 结果与文献资料进行了广泛对比并对其差异进行了解释.

关键词:

Abstract

The JA-SW hybrid model is extended in order to include the strain or stress anisotropy. With this improved model, a simulation is carried out to study the effects of stress on magnetic hysteresis loss and coercivity of ferromagnetic film. It is shown that the hysteresis loss and coercivity are related to the external field orientation, the stress intensity and the stress direction. Hysteresis loss, or the coercive force does not entirely monotonially increase with the change of stress intensity. For example, when the external field is parallel to the easy axis, a valley appears in the curve. In addition, stress will cause the peak offset of the coercivity curve as the orientation angle of the external field changes. Extensive comparisons of results with literature data are made and the differences between them are explained.

Keywords:

作者及机构信息

1.
华南农业大学理学院应用物理系, 广州 510642

基金项目: 广东省高等学校人才引进专项资金项目和华南农业大学校长科学基金资助的课题.

Authors and contacts

1.
Department of Applied Physics, College of Science, South China Agricultural University, Guangzhou 510642, China

Funds: Project supported by the Guangdong Higher Educational Special Fund for the Introduction of Talents and by the Principal Science Foundation of South China Agricultural University.

参考文献

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[26]	Dimitropoulos P D, Stamoulis G I, Hristoforou E 2006 IEEE Sens. J. 6 721
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[30]	Yamamoto K, Nakano H, Yamashiro Y 2003 J. Magn. Magn. Mater. 254-255 222
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施引文献

[1]	Ohnuma M, Yanai T, Hono K, Nakano M, Fukunaga H, Yoshizawa Y, Herzer G 2010 J. Appl. Phys. 108 093927
[2]	Zhang H, Zeng D C, Liu Z W 2011 Acta Phys. Sin. 60 067503 (in Chinese) [张辉, 曾德长, 刘仲武 2011 60 067503]
[3]	Qian L J, Xu X Y, Hu J G 2009 Chin. Phys. B 18 2589
[4]	Rong J H, Yun G H 2007 Acta Phys. Sin. 56 5483 (in Chinese) [荣建红, 云国宏 2007 56 5483]
[5]	Pan J, Zhou L, Tao Y C, Hu J G 2007 Acta Phys. Sin. 56 3521 (in Chinese) [潘靖, 周岚, 陶永春, 胡经国 2007 56 3521]
[6]	Garcia D, Munoz J L, Castano F J, Prados C, Asenjo A, Garcia J M, Vazquez M 1999 J. Appl. Phys. 85 4809
[7]	Mandal K, Vazquez M 2000 IEEE Trans. Magn. 36 2912
[8]	Stobiecki T, Wrona J, Czapkiewicz M 2000 J. Magn. Magn. Mater. 215-216 566
[9]	Minor M K, Crawford T M, Klemmer T J, Peng Y G, Laughlin D E 2002 J. Appl. Phys. 91 8453
[10]	Callegaro L, Puppin E 1997 IEEE Trans. Magn. 33 1007
[11]	Jiles D C, Atherton D L 1984 J. Phys. D: Appl. Phys. 17 1265
[12]	Garikepati P , Chang T T, Jiles D C 1988 IEEE Trans. Magn. 24 2922
[13]	Sablik M J, Kwun H, Burkhardt G L, Jiles D C 1987 J. Appl. Phys. 61 3799
[14]	Sablik M J, Jiles D C 1988 J. Appl. Phys. 64 5402
[15]	Sablik M J, Jiles D C 1993 IEEE Trans. Magn. 29 2113
[16]	Jiles D C 1995 J. Phys. D: Appl. Phys. 28 1537
[17]	Jiles D C, Devine M K 1994 J. Appl. Phys. 76 7015
[18]	LO C C H, Kinser E, Jiles D C 2003 J. Appl. Phys. 93 6626
[19]	Zou P, Yu W, Bain A A 2002 IEEE Trans. Magn.38 3501
[20]	Braun A 2006 Physica B 373 346
[21]	Zhu B, LO C C H, Lee S J, Jiles D C 2001 J. Appl. Phys. 89 7009
[22]	Hu R L, Soh A K, Zheng G P, Ni Yong 2006 J. Magn. Magn. Mater. 301 458
[23]	Shu Y C, Lin M P, Wu K C 2004 Mech. Mater 36 975
[24]	Kedous-Lebouc A, Vernescu C, Cornut B 2003 J. Magn. Magn. Mater. 254-255 321
[25]	Stoner E C, Wohlfarth E P 1948 Philos. Trans. R. Soc. London 240 74
[26]	Dimitropoulos P D, Stamoulis G I, Hristoforou E 2006 IEEE Sens. J. 6 721
[27]	Guo Z Z 2011 Solid State Commun. 151 116
[28]	Braun D 2003 J. Magn. Magn. Mater. 261 295
[29]	Yamamoto K, Yanase S 2011 Przegl Elektrotechniczny 87 97
[30]	Yamamoto K, Nakano H, Yamashiro Y 2003 J. Magn. Magn. Mater. 254-255 222
[31]	Pan J, Tao Y C, Hu J G 2006 Acta Phys. Sin. 55 3032 (in Chinese) [潘靖, 陶永春, 胡经国 2006 55 3032]
[32]	Bai Y H, Yun G H, Narisu 2009 Acta Phys. Sin. 58 4962 (in Chinese) [白宇浩, 云国宏, 那日苏 2009 58 4962]
[33]	Thang P D, Rijnders G, Blank D H A 2007 J. Magn. Magn. Mater. 310 2621

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