Low-Temperature Specific Heat of Organic Superconductor κ-(BEDT–TTF)2Cu(NCS)2

Shingo Katsumoto; Shun-ichi Kobayashi; Hatsumi Urayama; Hideki Yamochi; Gunzi Saito

doi:10.1143/JPSJ.57.3672

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Low-Temperature Specific Heat of Organic Superconductor κ-(BEDT–TTF)₂Cu(NCS)₂

Shingo Katsumoto, Shun-ichi Kobayashi, Hatsumi Urayama, Hideki Yamochi, Gunzi Saito

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JOURNAL RESTRICTED ACCESS

1988 Volume 57 Issue 11 Pages 3672-3673

DOI https://doi.org/10.1143/JPSJ.57.3672

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Abstract

Specific heat C of κ-(BEDT–TTF)₂Cu(NCS)₂ was measured between T_c(10.4 K) and 3 K. An anomaly around T_c was observed. The specific heat data show unusual bending below T_c in the C⁄T versus T² plot. At the lowest temperatures, C obeyed the T³ law and no residual T-linear contribution was observed.

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