Thermal Transport Properties of Bechgaard Salts (TMTSF)2PF6 and (TMTSF)2ClO4: Implication of Spin–Charge Separation

Yisheng Chai; Hongshun Yang; Jian Liu; Chenghai Sun; Huixian Gao; Xudong Chen; Liezhao Cao; Jean-Claude Lasjaunias

doi:10.1143/jpsj.78.063602

Thermal Transport Properties of Bechgaard Salts (TMTSF)₂PF₆ and (TMTSF)₂ClO₄: Implication of Spin–Charge Separation

Yisheng Chai, Hongshun Yang, Jian Liu, Chenghai Sun, Huixian Gao, Xudong Chen, Liezhao Cao, Jean-Claude Lasjaunias

著者情報

キーワード: thermal transport properties, Bechgaard salts, spin–charge separation, quasi-one-dimensional, magnon-drag

ジャーナル認証あり

2009 年 78 巻 6 号 p. 063602

DOI https://doi.org/10.1143/jpsj.78.063602

詳細

抄録

We report thermal transport measurements performed on the quasi-one-dimensional Bechgaard salts (TMTSF)₂ClO₄ and (TMTSF)₂PF₆ along the a-direction. For both salts, magnon-drag effects are found to contribute considerably to thermopower above 80 K. These results imply spin–charge separation in the metallic state for both salts. Moreover, a linear temperature-dependent thermal conductivity is found to be unaffected by anion disorder below an anion ordering transition temperature T_AO∼25 K in (TMTSF)₂ClO₄.

責任著者(Corresponding author)

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