Superconducting proximity effect to the block antiferromagnetism in K${}_y$Fe${}_{2-x}$Se${}_2$

Hong-Min Jiang, Wei-Qiang Chen, Zi-Jian Yao +1

Recent discovery of superconducting (SC) ternary iron selenides has block antiferromagentic (AFM) long range order. Many experiments show possible mesoscopic phase separation of th…