Surface impedance of k-(BEDT-TTF)2Cu[N(CN)2]Br crystals
Autor: | N. V. Perunov, N. D. Kushch, A. F. Shevchun, M. R. Trunin |
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Rok vydání: | 2012 |
Předmět: | |
Zdroj: | JETP Letters. 96:184-187 |
ISSN: | 1090-6487 0021-3640 |
Popis: | Precision measurements of the real and imaginary parts of the microwave surface impedance Zac(T) = Rac(T) + iXac(T) of the conducting ac layers of the k-(BEDT-TTF)2Cu[N(CN)2]Br crystals in the temperature interval of 0.5 40 K increases in comparison with Rac(T); (iv) the dependence Rac(T) at T > 40 K is nonmonotonic in thin crystals. These features of the impedance Zac(T) with increasing T are interpreted in terms of (i) the d-type symmetry of the superconducting order parameter, (ii) normal skin effect, (iii) manifestations of the antiferromagnetic fluctuations, and (iv) the size effect. The electrodynamic parameters of k-(BEDT-TTF)2Cu[N(CN)2]Br have been determined. |
Databáze: | OpenAIRE |
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