New ET-based organic superconductors with the organometallic anion Cu(CF 3) 4

Electrocrystallization of bis(ethylenedithio)tetrathiafulvalene (ET) with (PNP)Cu(CF 3) 4 in 1,1,2-trichloroethane (TCE) results in two new superconductors, κ L-(ET) 2Cu(CF 3) 4·(TCE), 1, with T c = 4.0 K, and κ H-(ET) 2Cu(CF 3) 4·(TCE) x , 2, with T c = 9.2 K. 1 forms well-developed plate-like crys...

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Published in:Synthetic metals 1995-03, Vol.70 (1), p.1105-1108
Main Authors: Geiser, Urs, Schlueter, John A., Douglas Carlson, K., Williams, Jack M., Hau Wang, H., Kwok, Wai-Kwong, Welp, Ulrich, Fendrich, John A., Dudek, James D., Achenbach, Crystal A., Komosa, Adam S., Keane, Patricia M., Naumann, Dieter, Roy, Thomas, Schirber, J.E., Bayless, W.R., Ren, J., Whangbo, M.-H.
Format: Article
Language:English
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Summary:Electrocrystallization of bis(ethylenedithio)tetrathiafulvalene (ET) with (PNP)Cu(CF 3) 4 in 1,1,2-trichloroethane (TCE) results in two new superconductors, κ L-(ET) 2Cu(CF 3) 4·(TCE), 1, with T c = 4.0 K, and κ H-(ET) 2Cu(CF 3) 4·(TCE) x , 2, with T c = 9.2 K. 1 forms well-developed plate-like crystals whose structure was determined by X-ray crystallography. Its band electronic structure is reported. The κ H-phase forms long, thin needle bundles.
ISSN:0379-6779
1879-3290
DOI:10.1016/0379-6779(94)02775-T