Giant Phonon Softening and Enhancement of Superconductivity by Phosphorus Doping of BaNi2As2

K. Kudo, M. Takasuga, Y. Okamoto +2

The effects of phosphorus doping on the structural and superconducting phase transitions of BaNi${}_2$(As${}_{1-x}$P${}_x$)${}_2$ were studied. The specific heat, resistivity, and magnetic…