Doping-induced Ferromagnetic order and its unusual evolution to Helical Antiferromagnetic Order in Sr(Ni${}_{1-x}$Co${}_x$)${}_2$P${}_2$

A. Sapkota, J. Schmidt, J. M. Wilde +6

SrNi${}_2$P${}_2$ represents a unique case of a collapsed structural phase (one-third collapsed, where one out of every three P-P pairs forms a bond) in the A(TM)${}_2$X${}_2$ family of co…