Electronic structure and magnetic properties of the half-metallic ferrimagnet Mn2VAl probed by soft X-ray spectroscopies

IR

Bibliographic Information

Other Title
  • 軟X線分光で調べたハーフメタルフェリ磁性体Mn2VAlの電子構造と磁性

Abstract

We have studied the electronic structure of ferrimagnetic Mn$_{2}$VAl single crystals by means of soft X-ray absorption spectroscopy (XAS), X-ray absorption magnetic circular dichroism (XMCD), and resonant soft X-ray inelastic scattering (RIXS). We have successfully observed the XMCD signals for all the constituent elements. The Mn L$_{2,3}$ XAS and XMCD spectra are reproduced by spectral simulations based on density-functional theory, indicating the itinerant character of the Mn 3$d$ states. On the other hand, the V 3$d$ electrons are rather localized since the ionic model can qualitatively explain the V L$_{2,3}$ XAS and XMCD spectra. This picture is consistent with local $dd$ excitations revealed by the V L$_{3}$ RIXS.

Journal

  • Physical Review B

    Physical Review B 97 (3), 035143_1-035143_8, 2018-01

    American Physical Society

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