Seebeck and Nernst effects in the mixed state of κ-(BEDT-TTF)2Cu(NCS)2

T. Sasaki; H. Ozawa; M. Koakutsu; T. Fukase

doi:10.1016/S0379-6779(98)00867-4

Seebeck and Nernst effects in the mixed state of κ-(BEDT-TTF)₂Cu(NCS)₂

T. Sasaki, H. Ozawa, M. Koakutsu, T. Fukase

Institute for Materials Research (IMR) (institute affiliation only)

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

Abstract

A comparative study of the Seebeck and Nernst effects in the mixed state of the organic superconductor κ-(BEDT-TTF)₂Cu(NCS)₂ is reported. The Seebeck effect data can be explained well by an extended two-fluid counterflow picture proposed by Huebener et al. Anomalous behavior of the Seebeck effect reported so far is not intrinsic but results from the artificial misalignment of the sample. From the Nernst effect data, the transport entropy of magnetic-flux lines is obtained. This value agrees with that obtained from another way of the Seebeck effect measurements. Due to the pronounced fluctuation effect around T_c(H), there is a finite value of the transport entropy at T > T_c(H).

Original language	English
Pages (from-to)	1944-1945
Number of pages	2
Journal	Synthetic Metals
Volume	103
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(98)00867-4
Publication status	Published - 1999 Jun 24
Event	Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98) - Montpellier Duration: 1998 Jul 12 → 1998 Jul 18

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Seebeck and Nernst effects in the mixed state of κ-(BEDT-TTF)2Cu(NCS)2",

abstract = "A comparative study of the Seebeck and Nernst effects in the mixed state of the organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 is reported. The Seebeck effect data can be explained well by an extended two-fluid counterflow picture proposed by Huebener et al. Anomalous behavior of the Seebeck effect reported so far is not intrinsic but results from the artificial misalignment of the sample. From the Nernst effect data, the transport entropy of magnetic-flux lines is obtained. This value agrees with that obtained from another way of the Seebeck effect measurements. Due to the pronounced fluctuation effect around Tc(H), there is a finite value of the transport entropy at T > Tc(H).",

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T1 - Seebeck and Nernst effects in the mixed state of κ-(BEDT-TTF)2Cu(NCS)2

AU - Sasaki, T.

AU - Ozawa, H.

AU - Koakutsu, M.

AU - Fukase, T.

PY - 1999/6/24

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N2 - A comparative study of the Seebeck and Nernst effects in the mixed state of the organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 is reported. The Seebeck effect data can be explained well by an extended two-fluid counterflow picture proposed by Huebener et al. Anomalous behavior of the Seebeck effect reported so far is not intrinsic but results from the artificial misalignment of the sample. From the Nernst effect data, the transport entropy of magnetic-flux lines is obtained. This value agrees with that obtained from another way of the Seebeck effect measurements. Due to the pronounced fluctuation effect around Tc(H), there is a finite value of the transport entropy at T > Tc(H).

AB - A comparative study of the Seebeck and Nernst effects in the mixed state of the organic superconductor κ-(BEDT-TTF)2Cu(NCS)2 is reported. The Seebeck effect data can be explained well by an extended two-fluid counterflow picture proposed by Huebener et al. Anomalous behavior of the Seebeck effect reported so far is not intrinsic but results from the artificial misalignment of the sample. From the Nernst effect data, the transport entropy of magnetic-flux lines is obtained. This value agrees with that obtained from another way of the Seebeck effect measurements. Due to the pronounced fluctuation effect around Tc(H), there is a finite value of the transport entropy at T > Tc(H).

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