Superconductivity in Sm-doped CaFe<sub>2</sub>As<sub>2</sub> single crystals

Superconductivity in Sm-doped CaFe₂As₂ single crystals

Chen Dong-Yun¹, Ruan Bin-Bin¹, Yu Jia¹, Guo Qi¹, Wang Xiao-Chuan¹, Mu Qing-Ge¹, Pan Bo-Jin¹, Liu Tong¹, Chen Gen-Fu^{1, 2}, Ren Zhi-An^{1, 2, †,}

The relationship between the nominal Sm-doping concentration x and (a) c-axis parameter, (b) onset T_c determined by resistive and magnetic measurements for all the Ca_{1 − x}Sm_xFe₂As₂ single crystals.