Abstract
Measurements of the temperature-dependent electrical resistivity and the superconducting transition temperature T c of the “nearly-heavy-fermion” compound U 2PtC 2 subjected to large hydrostatic pressures indicate that superconductivity arises within a strongly pressure-dependent highly correlated electron system. We compare our results to observations made on other uranium based heavy-fermion materials, suggest a possible explanation for pressure-induced variations in the resistivity of U 2PtC 2, and discuss its relation to superconductivity.
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