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Tamable angular-dependent magnetoresistance correlations in magnetic films and their implications for spin Hall magnetoresistance analysis

机译：磁性膜中可驯化的角度依赖性磁阻相关性及其对自旋霍尔磁阻分析的启示

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摘要

Angular-dependent magnetoresistance (MR) is considered to be intrinsic to spintronic materials, represented by the classical anisotropic MR (AMR) phenomenon and the recently emerged spin Hall MR (SMR). So far, isotropic AMR, AMR with geometric size effect and interfacial effect, and SMR have been treated separately to explain distinct MR correlations observed in various systems. Current study shows all four types of MR correlations can be reproduced in Fe thin films depending on the film thickness, texture, interface, and morphology. Results suggest previous explanations of the thin-film MR correlations are incomplete and it is inappropriate to use a specific MR angular-dependent correlation as the sole criterion in determining the origin of AMR or ascertaining the exclusive existence of SMR.
机译：角度依赖性磁阻（MR）被认为是自旋电子材料固有的，以经典的各向异性MR（AMR）现象和最近出现的自旋霍尔MR（SMR）表示。到目前为止，各向同性AMR，具有几何尺寸效应和界面效应的AMR和SMR已被分别处理以解释在各种系统中观察到的不同MR相关性。当前的研究表明，根据薄膜的厚度，质地，界面和形态，可以在Fe薄膜中再现所有四种类型的MR相关性。结果表明，先前对薄膜MR相关性的解释是不完整的，因此不适合使用特定的MR角度相关性作为确定AMR起源或确定SMR唯一存在的唯一标准。

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  • 来源
    《Physical review》 |2016年第7期|075309.1-075309.9|共9页
  • 作者

    L. K. Zou; Y. Zhang; L. Gu; J. W. Cai; L. Sun;

  • 作者单位

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

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

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

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

    Department of Mechanical Engineering and Texas Center for Superconductivity (TcSUH), University of Houston, Houston, Texas 77204, USA;

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