Evidence for two energy gaps and Fermi liquid behavior in SrPt${}_2$As${}_2$ superconductor

Xiaofeng Xu, B. Chen, W. H. Jiao +10

We report a detailed calorimetric study on single crystals of the 5$d$-transition metal pnictide SrPt2As2 with a superconducting critical temperature $T_c$ $\sim$5K. The peculiar f…