Silence of magnetic layers to magnetoresistive process and electronic separation at low temperatures in (La, Sm)Mn${}_2$Ge${}_2$

E. V. Sampathkumaran, R. Mallik, P. L. Paulose +1

A closer look at the temperature (T) dependence of magnetoresistance (MR) of two polycrystalline magnetic compounds, LaMn${}_2$Ge${}_2$ and SmMn${}_2$Ge${}_2$, previously reported by us, i…