Photoinduced dynamics in spinel and pyrochlore vanadates as Mott-Hubbard insulators with magnetic ordering

A. Furuhashi*, H. Nishihara, K. Takubo, T. Katsufuji

*この研究の対応する著者

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We studied the photoinduced dynamics of spinel MnV1.8Al 0.2O4 and pyrochlore Yb2V2O 7 as prototypical Mott-Hubbard insulators with magnetic ordering. We found that the Mott excitation spectrum is suppressed much sooner than 1 ps after photoirradiation, and subsequently it shows an energy shift over several or several tens of picoseconds, which is caused by the melting of magnetic ordering. This indicates that the Mott excitation spectrum is dominated not only by the Coulomb repulsion energy but also by magnetic interactions, and their different energy scales lead to the different time scales in the photoinduced dynamics.

本文言語English
論文番号060410
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
88
6
DOI
出版ステータスPublished - 2013 8 30

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

フィンガープリント

「Photoinduced dynamics in spinel and pyrochlore vanadates as Mott-Hubbard insulators with magnetic ordering」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル