Superconductivity up to 30 K in the vicinity of quantum critical point in BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$

Shuai Jiang, Hui Xing, Guofang Xuan +6

We report bulk superconductivity induced by an isovalent doping of phosphorus in BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$. The P-for-As substitution results in shrinkage of lattice, esp…