Observation of superconductivity and enhanced upper critical field of $\eta$-carbide-type oxide Zr${}_4$Pd${}_2$O

Yuto Watanabe, Akira Miura, Chikako Moriyoshi +2

We report the first observation of bulk superconductivity of a $\eta$-carbide-type oxide Zr${}_4$Pd${}_2$O. The crystal structure and the superconducting properties were studied throu…