Pressure effects on the superconducting thin film Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$

Eunsung Park, Nam Hoon Lee, Won Nam Kang +1

We report electrical resistivity measurements on a high-quality Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$ thin film ($x=0.4$) under pressure. The superconducting transition temperature (=3…