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Proceedings Paper

Millimeter-wave magneto-optical determination of the anisotropic superconducting order parameter in the molecular superconductor K-(BEDT-TTF)2Cu(NCS)2
Author(s): J. M. Schrama; Eva Joanna Rzepniewski; Arzhang Ardavan; R. Edwards; J. Singleton; M. Kurmoo; P. Day
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Paper Abstract

We have used a novel millimeter-wave magneto-optical technique to study the angle-dependence of the high- frequency conductivity of the molecular superconductor (kappa) -(BEDT-TTF)2Cu(NCS)2. The data strongly suggests that the superconducting gap has nodes directed along the b and c directions of the crystal, in agreement with recent theoretical predictions. This supports the idea that the superconductivity in (kappa) -(BEDT-TTF)2Cu(NCS)2 is d-wave in nature, and is mediated by spin fluctuations.

Paper Details

Date Published: 9 September 1999
PDF: 4 pages
Proc. SPIE 3828, Terahertz Spectroscopy and Applications II, (9 September 1999); doi: 10.1117/12.361050
Show Author Affiliations
J. M. Schrama, Univ. of Oxford (United Kingdom)
Eva Joanna Rzepniewski, Univ. of Oxford (United Kingdom)
Arzhang Ardavan, Univ. of Oxford (United Kingdom)
R. Edwards, Univ. of Oxford (United Kingdom)
J. Singleton, Univ. of Oxford (United Kingdom)
M. Kurmoo, IPCMS (France)
P. Day, The Royal Institution (United Kingdom)

Published in SPIE Proceedings Vol. 3828:
Terahertz Spectroscopy and Applications II
J. Martyn Chamberlain, Editor(s)

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