Novel Anisotropy of Upper Critical Fields in Fe${}_{1+y}$Te${}_{0.6}$Se${}_{0.4}$

Yongqiang Pan, Yue Sun, Nan Zhou +6

Studying the upper critical field (${\mu }_0$$H$${}_{c2}$) and its anisotropy of superconductors is of great importance because it can provide an unusual insight into the pair-breaki…