Spin-dependent charge dynamics of an orbital-spin-coupled system: Yb2 V2 O7

K. Waku*, T. Suzuki, T. Katsufuji

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Optical conductivity spectra of ferromagnetic pyrochlore vanadate Yb2 V2 O7 were investigated under a variation of both temperature and magnetic field. It was found that the spectrum of a Mott-gap excitation, a d - d transition between neighboring V sites, exhibits spectral weight transfer to lower energies with ferromagnetic ordering as well as an applied magnetic field. This result indicates that charge dynamics is influenced by the spin state in this prototypical orbital-spin-coupled system.

本文言語English
論文番号024402
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
74
2
DOI
出版ステータスPublished - 2006 7月 13

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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