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Magneto-optical characterizations of FeTe<sub>0.5</sub>Se<sub>0.5</sub>thin films with critical current density over 1 MA cm<sup>โ2</sup>
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. These thin films show superconducting transition temperature, ${T_c}$ $\sim$ 19 K, 4 K higher than the bulk sample. Typical roof-top patterns can be observed in the MO images of thin films โฆ