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Tuning giant anomalous Hall resistance ratio in perpendicular Hall balance

机译：在垂直霍尔平衡中调整巨型异常霍尔电阻比

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摘要

Anomalous Hall effect at room temperature in perpendicular Hall balance with a core structure of [Pt/Co]_4/NiO/[Co/Pt]_4 has been tuned by functional CoO layers, where [Pt/Co]_4 multilayers exhibit perpendicular magnetic anisotropy. A giant Hall resistance ratio up to 69 900% and saturation Hall resistance (R_S~P) up to 2590 mΩ were obtained in CoO/[Pt/Co]_4/NiO/[Co/Pt]_4/CoO system, which is 302% and 146% larger than that in the structure without CoO layers, respectively. Transmission electron microscopy shows highly textured [Co/Pt]_4 multilayers and oxide layers with local epitaxial relations, indicating that the crystallographic structure has significant influence on spin dependent transport properties.
机译：垂直霍尔平衡，[Pt / Co] _4 / NiO / [Co / Pt] _4的核心结构在室温下的异常霍尔效应已通过功能性CoO层进行了调节，其中[Pt / Co] _4多层膜表现出垂直磁各向异性。在CoO / [Pt / Co] _4 / NiO / [Co / Pt] _4 / CoO系统中，获得了高达69900％的巨大霍尔电阻比和高达2590mΩ的饱和霍尔电阻（R_S〜P）。分别比没有CoO层的结构高出％和146％。透射电子显微镜显示具有高度织构的[Co / Pt] _4多层膜和具有局部外延关系的氧化物层，表明晶体结构对自旋相关的输运性质具有重大影响。

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  • 来源
    《Applied Physics Letters》 |2015年第15期|152401.1-152401.5|共5页
  • 作者

    J. Y. Zhang; G. Yang; S. G. Wang; J. L. Liu; R. M. Wang; E. Amsellem; A. Kohn; G. H.Yu;

  • 作者单位

    Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing 100083, China,State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing 100083, China,State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

    State Key Laboratory of Magnetism, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China,Department of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

    Department of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;

    Department of Materials Engineering, Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;

    Department of Materials Engineering, Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;

    Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing 100083, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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  • 入库时间 2022-08-18 03:15:07

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