非均匀弱直流偏置磁场中CoFe-基非晶态合金丝的静磁化分布和退磁场分布

赵胤; 许洪光; 张钦宇

doi:10.7498/aps.63.247502

摘要

当前从事非晶态合金丝巨磁阻抗效应的理论研究均以忽略其内部退磁场为前提, 该前提对于小尺寸非晶态合金丝不适用. 本文提出一种用于计算CoFe-基非晶态合金丝内部静磁化强度、退磁场分布的模型. 该模型将非晶态合金丝内部划分成同轴、等宽、等厚、半径不同的相邻无交圆环, 计算各圆环内磁化强度对场点r处退磁场冲激响应, 得到冲激响应矩阵. 利用该矩阵求解均匀/非均匀直流偏置磁场中非晶态合金丝内静磁化强度、退磁场分布.

关键词:

Abstract

Currently, the giant magneto-impedance effect of amorphous wires is usually investigated on the hypothesis that demagnetizing field can be ignored. This hypothesis is not true for amorphous wires with small size. We propose a model for calculating the static magnetization and magnetic field distribution inside CoFe-rich amorphous wires, which divides the amorphous wire into coaxial and nonoverlaped circular rings with the same width and height and different radii. Calculating the impulse response of the demagnetizing field at point r to the magnetization in each ring, the impulse response matrix is obtained. Using the impulse response matrix, the static magnetization and demagnetizing field distribution in the amorphous wire placed in an uniform or non-uniform DC applied field can be obtained.

Keywords:

作者及机构信息

1.
哈尔滨工业大学深圳研究生院, 通信工程研究中心, 深圳 518055

基金项目: 国家自然科学基金(批准号: 61271247)资助的课题.

Authors and contacts

1.
Communication Engineering Research Center, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61271247).

参考文献

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[2]	Mohri K, Kohsawa T, Kawashima K, Yoshida H, Panina L 1992 IEEE Trans. Magn. 28 3150
[3]	Phan M, Peng H 2008 Prog. Mater. Sci. 53 323
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[7]	Bao B H, Song X F, Ren N F, Li C S 2006 Acta Phys. Sin. 55 3698 (in Chinese) [鲍丙豪, 宋雪丰, 任乃飞, 李长生 2006 55 3698]
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[9]	Menard D, Britel M, Ciureanu P, Yelon A 1998 J. Appl. Phys. 84 2805
[10]	Usov N, Gudoshnikov S 2013 J. Appl. Phys. 113 243902
[11]	Panina L, Mohri K, Uchiyama T 1997 Physica A 241 429
[12]	Joseph R, Schlömann E 1965 J. Appl. Phys. 36 1579
[13]	Templeton T L, Arrott A, Aharoni A 1984 J. Appl. Phys. 55 2189
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[15]	Heinrich B, Arrott A 1975 Magnetism and Magnetic Materials-1974: 20th Annual Conference San Francisco, USA, January 1, 1975, 702
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[19]	Aharoni A 1998 J. Appl. Phys. 83 3432
[20]	Chen D, Pardo E, Sanchez A 2005 IEEE Trans. Magn. 41 2077
[21]	Pardo E, Chen D, Sanchez A 2004 IEEE Trans. Magn. 40 1491
[22]	Chen D 2001 J. Appl. Phys. 89 3413
[23]	Chen D, Pardo E, Sanchez A 2002 IEEE Trans. Magn. 38 1742
[24]	Chen D, Brug J A, Goldfarb R B 1991 IEEE Trans. Magn. 27 3601
[25]	Chen D, Pardo E, Sanchez A 2006 J. Magn. Magn. Mater. 306 135
[26]	Beleggia M, Vokoun D, De Graef M 2009 J. Magn. Magn. Mater. 321 1306
[27]	Smith A, Nielsen K K, Christensen D V, Bahl C R H, Bjork R, Hattel J 2010 J. Appl. Phys. 107 103910
[28]	Aharoni A 1983 J. Appl. Phys. 54 488
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[30]	Farahani A, Konrad A 2008 IEEE Trans. Magn. 44 3225
[31]	Pugh B, Kramer D, Chen C 2011 IEEE Trans. Magn. 47 4100
[32]	He Y Z 2013 Acta Phys. Sin. 62 084105 (in Chinese) [何永周 2013 62 084105]
[33]	He S T, Chang S Q, Shi H G 2011 Chin. Phys. B 20 127503
[34]	Pardavi-horvath M, Yan J, Peverley J 2001 IEEE Trans. Magn. 37 3881
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[36]	Kabanov Y, Zhukov A, Zhukova V, Gonzalez J 2005 Appl. Phys. Lett. 87 142507
[37]	O'handley R 2000 Modern Magnetic Materials: Principles and Applications (New York: Wiley) pp276-280

施引文献

[1]	Lu Z C, Li D R, Zhou S X 2004 Adv. Mater. Ind. 11 46 (in Chinese) [卢志超, 李德仁, 周少雄 2004 新材料产业 11 46]
[2]	Mohri K, Kohsawa T, Kawashima K, Yoshida H, Panina L 1992 IEEE Trans. Magn. 28 3150
[3]	Phan M, Peng H 2008 Prog. Mater. Sci. 53 323
[4]	Kraus L 1999 J. Magn. Magn. Mater. 195 764
[5]	Usov N, Antonov A, Lagar'kov A 1998 J. Magn. Magn. Mater. 185 159
[6]	Makhnovskiy D, Panina L, Mapps D 2001 Phys. Rev. B 63 144424
[7]	Bao B H, Song X F, Ren N F, Li C S 2006 Acta Phys. Sin. 55 3698 (in Chinese) [鲍丙豪, 宋雪丰, 任乃飞, 李长生 2006 55 3698]
[8]	Aharoni A 2000 Introduction to the Theory of Ferromagnetism (Oxford: Oxford University Press) pp122-131, 173-179, 181
[9]	Menard D, Britel M, Ciureanu P, Yelon A 1998 J. Appl. Phys. 84 2805
[10]	Usov N, Gudoshnikov S 2013 J. Appl. Phys. 113 243902
[11]	Panina L, Mohri K, Uchiyama T 1997 Physica A 241 429
[12]	Joseph R, Schlömann E 1965 J. Appl. Phys. 36 1579
[13]	Templeton T L, Arrott A, Aharoni A 1984 J. Appl. Phys. 55 2189
[14]	Arrott A S, Heinrich B, Aharoni A 1979 IEEE Trans. Magn. 15 1228
[15]	Heinrich B, Arrott A 1975 Magnetism and Magnetic Materials-1974: 20th Annual Conference San Francisco, USA, January 1, 1975, 702
[16]	Arrott A, Heinrich B, Bloomberg D 1974 IEEE Trans. Magn. 10 950
[17]	Bloomberg D, Arrott A 1975 Can. J. Phys. 53 1454
[18]	Arrott A, Heinrich B, Templeton T, Aharoni A 1979 J. Appl. Phys. 50 2387
[19]	Aharoni A 1998 J. Appl. Phys. 83 3432
[20]	Chen D, Pardo E, Sanchez A 2005 IEEE Trans. Magn. 41 2077
[21]	Pardo E, Chen D, Sanchez A 2004 IEEE Trans. Magn. 40 1491
[22]	Chen D 2001 J. Appl. Phys. 89 3413
[23]	Chen D, Pardo E, Sanchez A 2002 IEEE Trans. Magn. 38 1742
[24]	Chen D, Brug J A, Goldfarb R B 1991 IEEE Trans. Magn. 27 3601
[25]	Chen D, Pardo E, Sanchez A 2006 J. Magn. Magn. Mater. 306 135
[26]	Beleggia M, Vokoun D, De Graef M 2009 J. Magn. Magn. Mater. 321 1306
[27]	Smith A, Nielsen K K, Christensen D V, Bahl C R H, Bjork R, Hattel J 2010 J. Appl. Phys. 107 103910
[28]	Aharoni A 1983 J. Appl. Phys. 54 488
[29]	Aharoni A 1981 J. Appl. Phys. 52 6840
[30]	Farahani A, Konrad A 2008 IEEE Trans. Magn. 44 3225
[31]	Pugh B, Kramer D, Chen C 2011 IEEE Trans. Magn. 47 4100
[32]	He Y Z 2013 Acta Phys. Sin. 62 084105 (in Chinese) [何永周 2013 62 084105]
[33]	He S T, Chang S Q, Shi H G 2011 Chin. Phys. B 20 127503
[34]	Pardavi-horvath M, Yan J, Peverley J 2001 IEEE Trans. Magn. 37 3881
[35]	Takajo M, Yamasaki J, Humphrey F 1993 IEEE Trans. Magn. 29 3484
[36]	Kabanov Y, Zhukov A, Zhukova V, Gonzalez J 2005 Appl. Phys. Lett. 87 142507
[37]	O'handley R 2000 Modern Magnetic Materials: Principles and Applications (New York: Wiley) pp276-280

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