Abstract
We report a detailed investigation of the ground-state magnetic properties of newly synthesized alloy. The sample can be thought of being derived by substituting one Mn atom by Fe of the parent compound . Fe-substitution leads to a drastic change in the magnetic ground state as well as to the magneto-transport properties of the parent alloy. On cooling below 250 K, undergoes a transition from paramagnetic phase to a state having significant ferromagnetic correlations. The ground state is found to be canonical spin glass (CSG) type in nature as evident from the dc magnetization and ac susceptibility measurements. Interestingly, the resistivity data shows an upturn at low temperature below about 30 K, mimicking Kondo-like behaviour. turns out to be a rare example among 3d transition metal alloys, where a Kondo-like state coexists within a CSG phase.
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