Abstract
The properties of the noncentrosymmetric superconductor (α- structure) Nb0.5Os0.5 have been investigated using resistivity, magnetization, specific heat, and muon spin relaxation and rotation (μSR) measurements. These measurements suggest that Nb0.5Os0.5 is a weakly coupled () type-II superconductor (), having a bulk superconducting transition temperature Tc = 3.07 K. The specific heat data fits well with the single-gap BCS model indicating nodeless s-wave superconductivity in Nb0.5Os0.5. The μSR measurements also confirm -wave superconductivity with the preserved time-reversal symmetry.
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