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首页> 外文期刊>Physical review >Magnetic and structural anisotropies of Co_2 FeAl Heusler alloy epitaxial thin films
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Magnetic and structural anisotropies of Co_2 FeAl Heusler alloy epitaxial thin films

机译：Co_2 FeAl Heusler合金外延薄膜的磁各向异性和结构各向异性

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摘要

This paper shows the correlation between chemical order, lattice strains, and magnetic properties of Heusler Co_2FeAl films epitaxially grown on MgO(Ool). A detailed magnetic characterization is performed using vector-field magnetometery combined with a numerical Stoner-Wohlfarth analysis. We demonstrate the presence of three types of in-plane anisotropies: one biaxial, as expected for the cubic symmetry, and two uniaxial. The three anisotropies show different behavior with the annealing temperature. The biaxial anisotropy shows a monotonic increase. The uniaxial anisotropy that is parallel to the hard biaxial axes (related to chemical homogeneity) decreases, while the anisotropy that is supposed to have a magnetostatic origin remains constant.
机译：本文显示了在MgO（Ool）上外延生长的Heusler Co_2FeAl薄膜的化学顺序，晶格应变和磁性之间的相关性。使用矢量场磁力计结合数值Stoner-Wohlfarth分析进行详细的磁特性分析。我们展示了三种类型的面内各向异性的存在：一种是双轴的，如立方对称所期望的，另一种是单轴的。这三个各向异性随退火温度的变化表现出不同的行为。双轴各向异性显示单调增加。平行于硬双轴的单轴各向异性（与化学均匀性有关）减小，而假定具有静磁起源的各向异性则保持恒定。

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  • 来源
    《Physical review》 |2011年第13期|p.134413.1-134413.6|共6页
  • 作者

    M. S. Gabor; T. Petrisor; C. Tiusan; M. Hehn; T. Petrisor;

  • 作者单位

    Materials Science Laboratory, Technical University of Cluj-Napoca, Cluj-Napoca, Romania andInstitut Jean Lamour, Departement P2M, Centre National de la Recherche Scientifique, Nancy University, Nancy, France;

    Materials Science Laboratory, Technical University of Cluj-Napoca, Cluj-Napoca, Romania andInstitut Jean Lamour, Departement P2M, Centre National de la Recherche Scientifique, Nancy University, Nancy, France;

    Materials Science Laboratory, Technical University of Cluj-Napoca, Cluj-Napoca, Romania andInstitut Jean Lamour, Departement P2M, Centre National de la Recherche Scientifique, Nancy University, Nancy, France;

    Institut Jean Lamour, Departement P2M, Centre National de la Recherche Scientifique, Nancy University, Nancy, France;

    Materials Science Laboratory, Technical University of Cluj-Napoca, Cluj-Napoca, Romania;

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  • 正文语种 eng
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  • 关键词

    magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields; magnetic properties of monolayers and thin films; magnetic anisotropy; metals and alloys;

    机译：磁电子学自旋电子学：利用自旋极化传输或集成磁场的设备;单层和薄膜的磁性磁各向异性金属和合金;

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