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1 results on '"Vovk, R.V."'

1. Temperature dependence of the pseudogap in aluminum and praseodymium-doped single crystals

Author

Vovk, R.V., Obolenskii, M.A., Zavgorodniy, A.A., Lotnyk, D.A., and Kotvitskaya, K.A.

Subjects
*ELECTRIC conductivity, *TEMPERATURE effect, *FORCE & energy, *ALUMINUM, *PRASEODYMIUM, *OXIDES, *CRYSTAL grain boundaries, *PHASE transitions
Abstract

Abstract: We have investigated the conductivity in the basis plane of YBaCuO single crystals slightly doped by Al and Pr with a pre-specified topology of twin boundaries. The excess conductivity for the analyzed samples shows dependence in a wide temperature range , where is the mean field temperature of superconducting transition. The temperature dependence of the pseudogap can be satisfactorily described in terms of the BCS–BEC crossover theoretical model. [Copyright &y& Elsevier]

Published
2009
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