Magnetic phase transitions in the Fe1−xMnxSn2 alloys for 0≤x≤1.0: A Mössbauer and magnetization study

⁵⁷Fe Mössbauer study of the pseudo-Binary alloys Fe_1?xMn_xSn₂ for 0≤x≤1.0 reveal the antiferromagnetically ordered state at 79K for all the specimens of the series. The hyperfine field at Fe site decreases with increasing manganese concentration. Magnetic susceptibility measurements performed in the temperature range 80 K≤T≤300 K indicate that the Néel temperature decreases with increasing Mn concentration for the samples withx≤0.4 whereas it increases continuously for the specimens havingx>0.4 of the alloy series.