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Magnetoresistive behavior and magnetization reversal of NiFe/Cu/CoFe/IrMn spin valve GMRs in nanoscale
  • ISSN号：0577-6686
  • 期刊名称：《机械工程学报》
  • 时间：0
  • 分类：O484.8[理学—固体物理;理学—物理] TM228[电气工程—电工理论与新技术;一般工业技术—材料科学与工程]
  • 作者机构：[1]Institute of Microelectronics & Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing100084, China
  • 相关基金：financially supported by the National Natural Science Foundation of China (Nos. 61025021and 60936002);the National Key Project of Scienceand Technology of China (Nos. 2009ZX02023-001-3 and 2011ZX02403-002);the Independent Scientific Research of Tsinghua University (No. 2010THZ0)
作者： Cong Yin Ze Jia Wei-chao Ma Tian-ling Ren[1]
关键词： 镍铁, 铜, LANDAU-LIFSHITZ方程, 巨磁阻, 自旋阀, 磁化, 反转, 钴铁, 行为, giant magnetoresistance （GMR）, spin valves, nanoscale, magnetization reversal
中文摘要：

磁致电阻行为和在 nanoscale 的 NiFe/Cu/CoFe/IrMn 旋转阀门巨人磁致电阻(SV-GMR ) 的磁化颠倒模式被 nanosized 试验性地并且理论上调查磁性的模拟方法。基于 Landau-Lifshitz-Gilbert 方程，有特殊 gridding 的一个模型被建议计算巨大的磁致电阻比率(先生) 并且调查磁化颠倒模式。在先生和外部磁场之间的关系被获得并且分析。进磁化分发的变化的研究表明磁化颠倒模式，也就是说为 NiFe/Cu/CoFe/IrMn 的 jump 变化模式，极大地取决于联合在卡住的层和 antiferromagnetic 层之间的行为的 antiferromagnetic。切换的领域与交换系数是几乎线性的，这也被发现。

英文摘要：

The magnetoresistance behavior and the magnetization reversal mode of NiFe/Cu/CoFe/IrMn spin valve giant magnetoresistance （SV-GMR） in nanoscale were investigated experimentally and theoretically by nanosized magnetic simulation methods. Based on the Landau-Lifshitz-Gilbert equation, a model with a special gridding was proposed to calculate the giant magnetoresistance ratio （MR） and investigate the magnetization reversal mode. The relationship between MR and the external magnetic field was obtained and analyzed. Studies into the variation of the magnetization distribution reveal that the magnetization reversal mode, that is, the jump variation mode for NiFe/Cu/CoFe/IrMn, depends greatly on the antiferromagnetic coupling behavior between the pinned layer and the antiferromagnetic layer. It is also found that the switching field is almost linear with the exchange coefficient.

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期刊信息
  • 《机械工程学报》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国机械工程学会
  • 主编：宋天虎
  • 地址：北京百万庄大街22号
  • 邮编：100037
  • 邮箱：bianbo@cjmenet.com
  • 电话：010-88379907
  • 国际标准刊号：ISSN：0577-6686
  • 国内统一刊号：ISSN：11-2187/TH
  • 邮发代号:2-362
  • 获奖情况:
  • 中国期刊奖,“中国期刊方阵”双高期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:58603