Flat band magnetism and helical magnetic order in Ni-doped SrCo${}_2$As${}_2$

Yu Li, Zhonghao Liu, Zhuang Xu +15

A series of Sr(Co${}_{1-x}$Ni${}_x$)${}_2$As${}_2$ single crystals was synthesized allowing a comprehensive phase diagram with respect to field, temperature, and chemical substitution to b…