Modulated non-collinear magnetic structure of (Co${}_{0.97}$${}^{57}$Fe${}_{0.03}$)${}_4$Nb${}_2$O${}_9$ as revealed by Mössbauer spectroscopy

Bo Zhang, Qifeng Kuang, Hua Pang +4

In this work, we present detailed ${}^{57}$Fe Mössbauer spectroscopy investigations of (Co${}_{0.97}$${}^{57}$Fe${}_{0.03}$)${}_4$Nb${}_2$O${}_9$ compound to study its possible magnetic st…