Magnetic-field switching of crystal structure in an orbital-spin-coupled system: MnV2O4

K. Adachi*, T. Suzuki, K. Kato, K. Osaka, M. Takata, T. Katsufuji

*この研究の対応する著者

研究成果査読

103 被引用数 (Scopus)

抄録

We studied the magnetic and structural properties of spinel MnV2O4, which has S=5/2 spin with no orbital degrees of freedom on the Mn2+ site and S=1 spin and three orbital degrees of freedom on the V3+ site. We found that the ferrimagnetic ordering at TN=56.5K and the structural phase transition at Ts=53.5K are closely correlated in this compound and found a switching of crystal structure between cubic and tetragonal phases by the magnetic field. This phenomenon can be explained by the coupling between orbital and spin degrees of freedom in the t2g states of the V site.

本文言語English
論文番号197202
ジャーナルPhysical Review Letters
95
19
DOI
出版ステータスPublished - 2005 11 4

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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