Superconductivity of the transition-metal carbides
作者： R. H. Willens , E. Buehler , B. T. Matthias
关键词: Transition metal 、 Electrical resistivity and conductivity 、 Density of states 、 Fermi surface 、 Materials science 、 Condensed matter physics 、 Stoichiometry 、 Transition temperature 、 Superconductivity 、 Quenching
摘要: By rapid quenching from the melt, solid solutions having NaCl-type structure can be obtained between binaries of NbC, TaC, WC, and MoC. The superconducting transition temperatures these pseudobinaries were investigated. experimental results consistent with interpretation that density states at Fermi surface is probably flat stoichiometry main factor for achieving maximum in temperature. Apparently, as improved, attractive phonon interaction electrons ${V}_{\mathrm{ph}}$ increases.
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