Magneto-optical characterizations of FeTe${}_{0.5}$Se${}_{0.5}$ thin films with critical current density over 1 MA/cm${}^2$

Yue Sun, Yuji Tsuchiya, Sunseng Pyon +4

We performed magneto-optical (MO) measurements on FeTe${}_{0.5}$Se${}_{0.5}$ thin films grown on LaAlO${}_3$ (LAO) and Yttria-stabilized zirconia (YSZ) single-crystalline substrates. The…