Nearly ferromagnetic metal state in the collapsed tetragonal phase of YFe${}_2$(Ge,Si)${}_2$

J. Srpcic, P. Jeglic, I. Felner +3

The surprising discovery of tripling the superconducting critical temperature of KFe${}_2$As${}_2$ at high pressures issued an intriguing question of how the superconductivity in the c…