Electronic and magnetic states of Mn2.97Co0.03GaC studied by soft X-ray photoemission and magnetic circular dichroism

Atsushi Matsumoto, Masanori Tsunekawa, Shigemasa Suga, Hirofumi Wada, Takayuki Muro, Tetsuya Nakamura, Shin Imada

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Abstract

The electronic and magnetic states of Mn2.97Co0.03GaC are studied by soft X-ray photoelectron spectroscopy (SXPES) and X-ray magnetic circular dichroism (XMCD) in the Mn 2p → 3d excitation region. On the basis of the XMCD results, the contribution of the orbital magnetic moment to the Mn 3d magnetic moment is evaluated by the XMCD sum rules. The spectra obtained by SXPES show a clear change in electronic states near the Fermi level across the first-order ferromagnetic to antiferromagnetic phase transition. The experimental results are consistent with the theoretically obtained electronic structures of the two phases.

Original languageEnglish
Pages (from-to)1567-1569
Number of pages3
JournalJapanese journal of applied physics
Volume47
Issue number3 PART 1
DOIs
Publication statusPublished - Mar 14 2008

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All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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