Optical and electrical properties of an organic superconductor di[bis(ethylenedithio)tetrathiafulvalenium dithiocuanocuprateI, (BEDT-TTF2[Cu(SCN)2]
A. Ugawa, G. Ojima, K. Yakushi, H. Kuroda
DOI 10.1103/PhysRevB.38.5122 · Physical Review B
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Abstract
A single crystal of (BEDT-TTF)2[Cu(SCN)2] was prepared and its reflectance spectrum and electrical resistivity were investigated. The optical anisotropy was found to be very small. The spectrum in the infrared region was concluded to be dominated by the interband transitions for the directions parallel to both b and c. From the analysis of the spectra measured at 25 K, the effective masses were estimated to be mb*=5.5me and mc*=4.1me, respectively. The material was proved to be metallic over the temperature range from 300 down to 10 K, and become superconductive at 11 K.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| (BEDT-TTF)2[Cu(SCN)2] Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11 | Pressure not reported | onset |
| (BEDT-TTF)2[Cu(SCN)2] Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 10.4 | Pressure not reported | unknown |
| (BEDT-TTF)2I3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.5 | Pressure not reported | unknown |
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