Epitaxial growth of FeSe${}_{0.5}$Te${}_{0.5}$ thin films on CaF${}_2$ substrates with high critical current density

I. Tsukada, M. Hanawa, T. Akiike +8

In-situ epitaxial growth of FeSe${}_{0.5}$Te${}_{0.5}$ thin films is demonstrated on a non-oxide substrate CaF${}_2$. Structural analysis reveals that compressive stress is moderately ad…