Superconducting fluctuations in FeSe${}_{0.5}$Te${}_{0.5}$ thin films probed via microwave spectroscopy

Fuyuki Nabeshima, Kosuke Nagasawa, Yoshinori Imai +1

We investigated the microwave conductivity spectrum of FeSe${}_{0.5}$Te${}_{0.5}$ epitaxial films on CaF${}_2$ in the vicinity of the superconducting transition. We observed the critical…