Effect of Co Impurities on Superconductivity of FeSe0.4Te0.6 single crystals

Fuyuki Nabeshima, Yusuke Kobayashi, Yoshinori Imai +2

The effect of Co doping on supercoductivity of FeSe${}_{0.4}$Te${}_{0.6}$ single crystals is investigated. The superconducting transition temperature decreases linearly for Co doping w…