Magnetic and Superconducting Properties of Single Crystals of Fe${}_{1+\delta }$Te${}_{1-x}$Se${}_x$ System

Jinhu Yang, Mami Matsui, Masatomo Kawa +7

The spin-fluctuation effect in the Se-substituted system Fe${}_{1+\delta }$Te${}_{1-x}$Se${}_x$ ($x$ = 0, 0.05, 0.12, 0.20, 0.28, 0.33, 0.45, 0.48 and 1.00; $0<\delta <0.12$) has been studied by th…