Superconducting fluctuations and the reduced dimensionality of the organic superconductor κ−(BEDT−TTF)2Cu(NCS)2 as observed through measurements of the de Haas–van Alphen effect
N. J. Clayton, H. Ito, S. M. Hayden, P. J. Meeson, M. Springford, G. Saito
DOI 10.1103/PhysRevB.65.064515 · Physical Review B
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Abstract
We report measurements of the de Haas–van Alphen (DHVA) effect and ac susceptibility in the layered organic superconductor κ−(BEDT−TTF)2Cu(NCS)2. The amplitude of the DHVA oscillations is attenuated over a wide field range above the irreversibility line, Birr(B), below which a rigid flux lattice is formed. Thus the DHVA effect provides a unique probe of the superconducting fluctuations at high fields in this material. We compare our measurements with other measurements of the superconducting phase diagram of κ−(BEDT−TTF)2Cu(NCS)2.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (BEDT-TTF)2Cu(NCS)2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 9 | Pressure not reported | unknown |
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