Observation of a Liquid-Gas-Type Transition in the Pyrochlore Spin Ice Compound [Formula presented] in a Magnetic Field

T. Sakakibara, T. Tayama, Z. Hiroi, K. Matsuhira, S. Takagi

研究成果: ジャーナルへの寄稿学術論文査読

2 被引用数 (Scopus)

抄録

Low temperature magnetization measurements on the pyrochlore spin ice compound [Formula presented] reveal that the ice-rule breaking spin flip, appearing at [Formula presented] applied parallel to the [111] direction, turns into a novel first-order transition for [Formula presented] which is most probably of a liquid-gas type. [Formula presented]-linear variation of the critical field observed down to 0.03 K suggests the unusual situation that the entropy release across the transition remains finite [[Formula presented]] as [Formula presented], in accordance with a breaking of the macroscopic degeneracy in the intermediate “kagomé ice” state.

本文言語英語
ページ(範囲)4
ページ数1
ジャーナルPhysical Review Letters
90
20
DOI
出版ステータス出版済み - 2003

ASJC Scopus 主題領域

  • 物理学および天文学一般

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