Suppression of superconductivity in FeSe films under tensile strain

Y. F. Nie, E. Brahimi, J. I. Budnick +3

We have studied the effect of tensile strain on the superconductivity in FeSe films. 50 nm, 100 nm, and 200 nm FeSe films were grown on MgO, SrTiO${}_3$, and LaAlO${}_3$ substrates by…