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首页> 外文期刊>Physical review >Specular and off-specular polarized neutron reflectometry of canted magnetic domains in loose spin coupled CuMn/Co multilayers
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Specular and off-specular polarized neutron reflectometry of canted magnetic domains in loose spin coupled CuMn/Co multilayers

机译：松自旋耦合CuMn / Co多层膜中倾斜磁畴的镜面反射和镜面反射偏振中子反射法

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摘要

Specular and off-specular polarized neutron reflectometry of strong biquadratic coupling in a Cu_(0.94)Mn_(0.06)/Co multilayer is presented. Detailed analysis of the reflectivity via the distorted-wave Born approximation reveals a formation of on average (±30°) canted lateral magnetic domains. Domains with mean width of 0.43 μm extend throughout the multilayer structure and magnetization alternates in the sign of the canting with subsequent layers. Temperature and field dependence of the magnetic structure are evaluated and included in the magnetic model, which is used to deduce bilinear and biquadratic interlayer exchange coupling energies.
机译：提出了Cu_（0.94）Mn_（0.06）/ Co多层膜中强双二次耦合的镜面和镜面偏光中子反射法。通过畸变波Born近似对反射率进行的详细分析揭示了平均（±30°）倾斜横向磁畴的形成。平均宽度为0.43μm的畴在整个多层结构中延伸，磁化强度在与后续层的倾斜方向上交替出现。评估了磁性结构的温度和场依赖性，并将其包括在磁性模型中，该模型用于推导双线性和双二次层间交换耦合能。

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  • 来源
    《Physical review》 |2012年第1期|p.014411.1-014411.9|共9页
  • 作者

    T. Saerbeck; N. Loh; D. Lott; B. P. Toperverg; A. M. Mulders; M. Ali; B. J. Hickey; A. P. J. Stampfl; F. Klose; R. L. Stamps;

  • 作者单位

    School of Physics, University of Western Australia, Crawley, WA6009, Australia,Australian Nuclear Science and Technology Organisation, Menai, NSW 2234, Australia;

    School of Physics, University of Western Australia, Crawley, WA6009, Australia,Australian Nuclear Science and Technology Organisation, Menai, NSW 2234, Australia;

    Institute for Materials Research, Helmholtz Zentrum Geesthacht, D-21502 Geesthacht, Germany;

    Department of Physics, Ruhr-University Bochum, D-44780 Bochum, Germany,Petersburg Nuclear Physics Institute, 188300 Gatchina, Russia;

    Australian Nuclear Science and Technology Organisation, Menai, NSW 2234, Australia,School of Physical, Environmental and Mathematical Sciences, UNSW in Canberra, ACT 2600, Australia,Department of Imaging and Applied Physics, Curtin University of Technology, Perth, WA 6845, Australia;

    School of Physics and Astronomy, University of Leeds, Leeds LS29JT, United Kingdom;

    School of Physics and Astronomy, University of Leeds, Leeds LS29JT, United Kingdom;

    Australian Nuclear Science and Technology Organisation, Menai, NSW 2234, Australia,School of Chemistry, The University of Sydney, NSW 2006, Australia;

    Australian Nuclear Science and Technology Organisation, Menai, NSW 2234, Australia;

    School of Physics, University of Western Australia, Crawley, WA6009, Australia,School of Physics and Astronomy (SUPA), University of Glasgow, Glasgow 612 8QQ, Scotland, United Kingdom;

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  • 关键词

    magnetic properties of interfaces (multilayers, superlattices, heterostructures); domain structure (including magnetic bubbles);

    机译：界面的磁性（多层;超晶格;异质结构）;畴结构（包括磁泡）;

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