X-ray magnetic circular dichroism study of an orbital ordered state in the spinel-type vanadium oxide A V2 O4 (A= Mn, Fe)

K. Matsuura, H. Sagayama, Y. Nii, N. D. Khanh, N. Abe, T. Arima

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Spinel-type vanadium oxides FeV2O4 and MnV2O4 are considered to exhibit different types of V3+ orbital order from each other. In order to tackle this issue, the temperature dependence of x-ray absorption spectrum (XAS) and x-ray magnetic circular dichroism (XMCD) spectrum are investigated in both spinel compounds. The application of the sum rule to the obtained V edge XMCD spectra and the comparison with crystal-field multiplet calculations suggest a real orbital ordered state with quenched orbital angular momenta in both FeV2O4 and MnV2O4. A dissimilarity in XAS spectra between these compounds would originate from a quantitative difference of trigonal distortion.

Original languageEnglish
Article number035133
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume92
Issue number3
DOIs
Publication statusPublished - 2015 Jul 20
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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