ЖЭТФ, Том 119,
Вып. 6,
стр. 1195 (Июнь 2001)
(Английский перевод - JETP,
Vol. 92, No 6,
p. 1035,
June 2001
доступен on-line на www.springer.com
)
THE ANISOTROPIC LOW-TEMPERATURE SPECIFIC HEAT OF ORGANIC SUPERCONDUCTOR \kappa-(BEDT-TTF)2Cu(NCS)2 IN THE MAGNETIC FIELD
Kovalev A.E., Ishiguro T., Yamada J., Takasaki S., Anzai H.
Поступила в редакцию: 18 Января 2001
PACS: 74.25.Bt, 74.25.Dw, 74.70.Kn, 74.60.Ec
We measured the low-temperature specific heat of the layered organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 for the magnetic field directed along and perpendicular to the conducting plane and found the difference between the two measurements. Our data indicate the existence of a nodeless superconducting state at zero field and low temperature. The field dependence of the specific heat anisotropy consists of two linear branches with the crossover field equal to the upper critical field perpendicular to the conducting plane.
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