Narrow superconducting window in Ni-doped LaFeAsO

Guanghan Cao, Shuai Jiang, Xiao Lin +7

We have studied Ni-substitution effect in LaFe${}_{1-x}$Ni${}_x$AsO ($0\le x\le 0.1$) by the measurements of x-ray diffraction, electrical resistivity, magnetic susceptibility, and…