Superconductivity in Rh${}_2$Ga${}_9$ and Ir${}_2$Ga${}_9$ without Inversion Symmetry

T. Shibayama, M. Nohara, H. Aruga Katori +3

Superconductivity with $T_{\mathrm{c}}$ $\simeq$ 2 K was discovered in the intermetallic binary compounds Rh${}_2$Ga${}_9$ and Ir${}_2$Ga${}_9$. This is the first observation of superconductivi…