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巨磁电阻自旋阀多层膜的结构和磁性

孟宪梅, 柴春林, 朱逢吾, 林岚, 姜宏伟, 赖武彦

孟宪梅, 柴春林, 朱逢吾, 林岚, 姜宏伟, 赖武彦. 巨磁电阻自旋阀多层膜的结构和磁性[J]. 工程科学学报, 1997, 19(2): 209-212. DOI: 10.13374/j.issn1001-053x.1997.02.020
引用本文: 孟宪梅, 柴春林, 朱逢吾, 林岚, 姜宏伟, 赖武彦. 巨磁电阻自旋阀多层膜的结构和磁性[J]. 工程科学学报, 1997, 19(2): 209-212. DOI: 10.13374/j.issn1001-053x.1997.02.020
Meng Xianmei, Chai Chunlin, Zhu Fengwu, Lin Lan, Jiang Hongwei, Lai Wuyan. Microstructure and Magnetic Properties of Spin Valve Multilayer with Giant Magnetoresistance[J]. Chinese Journal of Engineering, 1997, 19(2): 209-212. DOI: 10.13374/j.issn1001-053x.1997.02.020
Citation: Meng Xianmei, Chai Chunlin, Zhu Fengwu, Lin Lan, Jiang Hongwei, Lai Wuyan. Microstructure and Magnetic Properties of Spin Valve Multilayer with Giant Magnetoresistance[J]. Chinese Journal of Engineering, 1997, 19(2): 209-212. DOI: 10.13374/j.issn1001-053x.1997.02.020

巨磁电阻自旋阀多层膜的结构和磁性

基金项目: 

中国科学院资助KJ-1-401

详细信息
    作者简介:

    孟宪梅 女 26岁 博士

  • 分类号: TM271

Microstructure and Magnetic Properties of Spin Valve Multilayer with Giant Magnetoresistance

  • 摘要: 用磁控溅射镀膜方法,制成了巨磁电阻自族间多层膜Ta/NiFe/Cu/NiFe/FeMn/Ta.它具有优良的特性.其室温磁电阻比率MR>2%,自由层矫顽力Hc1<160A/m,自由层零磁场漂Hf<800A/m和钉扎层交换场Hex≈20×103 A/m.作为新型磁功能材料,它满足高灵敏磁性传感器和硬盘读出头的要求.对多层膜制备的方法也作了系统研究,并讨论了缓冲层和钉扎层的制备工艺和微结构对磁性能的影响.
    Abstract: The spin valve multilayer, consisting of Ta/NiFe/Cu/NiFe/FeMn/Ta, with giant magnetoresistance(GMR) has been successfully produced by magnetron sputtering. It is Possessed of good properties. The magnetoresistance ratio MR>2% at room temperature, the coereivity of free layer Hcl< 160 A / m, shift field Hf < 800 A / m and the biasing exchange field Hex≈20·103 A / m. As a new magnetic functional malarial, these properties can meet the requirement for preparation of magnetic field sensors with high sensitivity, for example in magnetic recording magnetoresistance read head.
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出版历程
  • 收稿日期:  1997-03-27
  • 网络出版日期:  2021-08-26
  • 刊出日期:  1997-02-24

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