Abstract
Low-d.c.-field magnetization and electrical resistivity measurements are presented for Fe 65(Ni 0.74Mn 0.26) 35 and Fe 74(Ni 0.76Mn 0.24) 26 concentrated spin glasses. A reentrant spin glass state is reported for both alloys. The temperature dependence of resistivity of these alloys shows a minimum at low temperatures near the freezing temperature of the spin glass state, which characterizes the “Kondo like behaviour”.
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