A simultaneous magneto-dielectric phase transition in RbCoBr3

Takashi Shirahata, Tota Nakamura

研究成果: Article査読

13 被引用数 (Scopus)

抄録

We have modeled magneto-dielectric phase transitions in ABX 3-type layered triangular lattice compounds. The model consists of a spin system (magnetic transition) and a lattice system (dielectric transition). Magnetic exchange interactions are supposed to change with a relative position between two spins. This assumption produces an effective coupling between the lattice and the spin. Applying the nonequilibrium relaxation method, we have found that a simultaneous magneto-dielectric phase transition occurs when energy scales of the spin part and the lattice part coincide. An intermediate phase like the partial disordered phase disappears. Both systems relax frustration of the other system cooperatively and realize ordered states.

本文言語English
ページ(範囲)254-261
ページ数8
ジャーナルjournal of the physical society of japan
73
1
DOI
出版ステータスPublished - 2004 1
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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