Estimation of Angular Momentum Compensation Temperature in GdFe Film by Magnetic Compton Scattering

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  • Ikebuchi T.
    Institute for Chemical Research, Kyoto University
  • Hirata Y.
    Institute for Chemical Research, Kyoto University
  • Funada S.
    Institute for Chemical Research, Kyoto University
  • Tsukamoto A.
    College of Science and Technology, Nihon University
  • Ito H.
    Department of Electronics and Informatics, Gunma University
  • Suzuki K.
    Department of Electronics and Informatics, Gunma University
  • Hoshi K.
    Department of Electronics and Informatics, Gunma University
  • Tsuji N.
    JASRI
  • Sakurai H.
    Department of Electronics and Informatics, Gunma University
  • Shiota Y.
    Institute for Chemical Research, Kyoto University
  • Moriyama T.
    Institute for Chemical Research, Kyoto University
  • Ono T.
    Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University

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Abstract

<p>  The angular momentum compensation temperature, TA, in transition metal rare earth (TM-RE) ferrimagnetic materials is a crucial property for utilizing antiferromagnetic spin dynamics, which is much faster than its ferromagnetic counterpart. However, reports on the estimation of TA in ferrimagnets are limited. In this study, we measured the temperature dependence of the spin magnetization and orbital magnetization of GdFe amorphous perpendicular magnetization film by using magnetic Compton scattering. Then, we estimated TA experimentally.</p>

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