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铁磁/反铁磁双层膜中的磁锻炼效应

许勉 潘靖 沈影 胡经国

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铁磁/反铁磁双层膜中的磁锻炼效应

许勉, 潘靖, 沈影, 胡经国

Training effect in the ferromagnetic/antiferromagnetic bilayers

Xu Mian, Pan Jing, Shen Ying, Hu Jing-Guo
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  • 采用Monte Carlo 方法,研究铁磁/反铁磁双层膜中的磁锻炼效应.结果表明,反铁磁层中冷场诱发的界面净磁化(钉扎效应)的磁弛豫可导致系统中的交换偏置场的磁锻炼效应.进一步研究表明,反铁磁层中掺杂可调控交换偏置场的磁锻炼效应,原因在于反铁磁层中掺杂能有效地改变冷场诱发的净磁化的磁弛豫过程.
    Using Monte Carlo method to study the magnetic training effect in the ferromagnetic/antiferromagnetic bilayers, it was shown that the magnetic relaxation of the net magnetization induced by cold magnetic field which exists in the interface between ferromagnetic and antiferromagnetic bilayer can result in the training effect in the exchange bias and coercivity of the system. Further studies have shown that the doping in antiferromagnetic layer can modulate the training effect in the exchange bias, because the doping in antiferromagnetic layer can effectively change the magnetic relaxation process of the net magnetization induced by the cold field.
    • 基金项目: 国家自然科学基金(批准号:10974170)和教育部留学回国人员科研启动基金(批准号: 2007-1108)资助的课题.
    [1]

    Meiklejohn W H, Bean C P 1956 Phys. Rev. 102 1413

    [2]

    Stamps R L, 2002 J. Magn. Magn. Mater. 242 139

    [3]

    Dieny B 1994 J. Magn. Magn. Mater. 136 335

    [4]

    Ki Wi M 2001 J. Magn. Magn. Mater. 234 584

    [5]

    Ohshima N, Nakada M, Tskamoto Y 1998 IEEE Trans.Magn. 34 1429

    [6]

    Li Y, Chen Q Y, Jiang H W, Wang A L, Zheng W 2006 Acta Phys. Sin. 55 6647 (in Chinese)[李 岩、陈庆永、姜宏伟、王艾玲、郑 鹉2006物理学报55 6647]

    [7]

    Hu J G, Jin G J, Hu A, Ma Y Q 2004 Eur. Phys. J. B 40 265

    [8]

    Teng J, Cai J W, Xiong X T, Lai W Y, Zhu F W 2004 Acta Phys. Sin. 53 272(in Chinese)[滕 蛟、蔡建旺、熊小涛、赖武彦、朱逢吾2004物理学报53 272]

    [9]

    Xu X Y, Tian H Y, Hu J G 2009 J. Appl. Phys. 106 93910

    [10]

    Fecioru-Morariu M, Wrona J 2008 Phys. Rev. B 77 054441

    [11]

    Jimenez E, Camarero J, Sort J 2009 Phys. Rev. B 80 01441

    [12]

    Qiu X P, Yang D Z, Zhou S M, Chantrell R W, O’Grady K, Nowak U, Du J, Bai X J, Sun L 2008 Phys. Rev. Lett. 101 147207

    [13]

    Ventura J, Araujo J P, Sousa J B 2008 Phys. Rev. B 77 184404

    [14]

    Brems S, Temst K, Haesendonck C V 2007 Phys. Rev. Lett. 99 067201

    [15]

    Biternas A G, Nowak U, Chantrell R W 2009 Phys. Rev. B 80 134419

    [16]

    Hoffmann A 2004 Phys. Rev. Lett. 93 097203

    [17]

    Suess D, Kirschner M, Schrefl T, Fidler J, Stamps R L, Kim J V 2003 Phys. Rev. B 67 054419

    [18]

    Binek C 2004 Phys. Rev. B 70 014421

    [19]

    Hong J I, Leo T, Smith D J, Berkowitz A E 2006 Phys. Rev. Lett. 96 117204

    [20]

    Teng J, Cai J W, Xiong X T, Lai W Y, Zhu F W 2002 Acta Phys. Sin. 51 2849(in Chinese)[滕 蛟、蔡建旺、熊小涛、赖武彦、朱逢吾2002物理学报51 2849]

    [21]

    Xu X Y, Wang M H, Hu J G 2008 Chin. Phys. B 17 1443

    [22]

    Ma M, Cai L, Wang X F, Hu J G 2007 Acta Phys. Sin. 56 529(in Chinese)[马 梅、蔡 蕾、王兴福、胡经国2007物理学报56 529]

    [23]

    Dai B, Cai J W, Lai W Y 2003 Acta Phys. Sin. 52 478(in Chinese)[代 波、 蔡建旺、 赖武彦 2003物理学报52 478]

    [24]

    Hu J G, Stamps R L 2006 Chin. Phys. 15 1595

    [25]

    Hu J G, Jin G J, Stamps R L 2006 J. Magn. Magn. Mater. 301 238

  • [1]

    Meiklejohn W H, Bean C P 1956 Phys. Rev. 102 1413

    [2]

    Stamps R L, 2002 J. Magn. Magn. Mater. 242 139

    [3]

    Dieny B 1994 J. Magn. Magn. Mater. 136 335

    [4]

    Ki Wi M 2001 J. Magn. Magn. Mater. 234 584

    [5]

    Ohshima N, Nakada M, Tskamoto Y 1998 IEEE Trans.Magn. 34 1429

    [6]

    Li Y, Chen Q Y, Jiang H W, Wang A L, Zheng W 2006 Acta Phys. Sin. 55 6647 (in Chinese)[李 岩、陈庆永、姜宏伟、王艾玲、郑 鹉2006物理学报55 6647]

    [7]

    Hu J G, Jin G J, Hu A, Ma Y Q 2004 Eur. Phys. J. B 40 265

    [8]

    Teng J, Cai J W, Xiong X T, Lai W Y, Zhu F W 2004 Acta Phys. Sin. 53 272(in Chinese)[滕 蛟、蔡建旺、熊小涛、赖武彦、朱逢吾2004物理学报53 272]

    [9]

    Xu X Y, Tian H Y, Hu J G 2009 J. Appl. Phys. 106 93910

    [10]

    Fecioru-Morariu M, Wrona J 2008 Phys. Rev. B 77 054441

    [11]

    Jimenez E, Camarero J, Sort J 2009 Phys. Rev. B 80 01441

    [12]

    Qiu X P, Yang D Z, Zhou S M, Chantrell R W, O’Grady K, Nowak U, Du J, Bai X J, Sun L 2008 Phys. Rev. Lett. 101 147207

    [13]

    Ventura J, Araujo J P, Sousa J B 2008 Phys. Rev. B 77 184404

    [14]

    Brems S, Temst K, Haesendonck C V 2007 Phys. Rev. Lett. 99 067201

    [15]

    Biternas A G, Nowak U, Chantrell R W 2009 Phys. Rev. B 80 134419

    [16]

    Hoffmann A 2004 Phys. Rev. Lett. 93 097203

    [17]

    Suess D, Kirschner M, Schrefl T, Fidler J, Stamps R L, Kim J V 2003 Phys. Rev. B 67 054419

    [18]

    Binek C 2004 Phys. Rev. B 70 014421

    [19]

    Hong J I, Leo T, Smith D J, Berkowitz A E 2006 Phys. Rev. Lett. 96 117204

    [20]

    Teng J, Cai J W, Xiong X T, Lai W Y, Zhu F W 2002 Acta Phys. Sin. 51 2849(in Chinese)[滕 蛟、蔡建旺、熊小涛、赖武彦、朱逢吾2002物理学报51 2849]

    [21]

    Xu X Y, Wang M H, Hu J G 2008 Chin. Phys. B 17 1443

    [22]

    Ma M, Cai L, Wang X F, Hu J G 2007 Acta Phys. Sin. 56 529(in Chinese)[马 梅、蔡 蕾、王兴福、胡经国2007物理学报56 529]

    [23]

    Dai B, Cai J W, Lai W Y 2003 Acta Phys. Sin. 52 478(in Chinese)[代 波、 蔡建旺、 赖武彦 2003物理学报52 478]

    [24]

    Hu J G, Stamps R L 2006 Chin. Phys. 15 1595

    [25]

    Hu J G, Jin G J, Stamps R L 2006 J. Magn. Magn. Mater. 301 238

计量
  • 文章访问数:  8110
  • PDF下载量:  887
  • 被引次数: 0
出版历程
  • 收稿日期:  2010-01-12
  • 修回日期:  2010-02-04
  • 刊出日期:  2010-05-05

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