Superconductivity induced by Ni doping in BaFe${}_2$As${}_2$

L. J. Li, Q. B. Wang, Y. K. Luo +8

A series of 122 phase BaFe${}_{2-x}$Ni${}_x$As${}_2$ ($x$ = 0, 0.055, 0.096, 0.18, 0.23) single crystals were grown by self flux method and a dome-like Ni doping dependence of supercondu…