Magnetic and electrical properties of RCo(2)Mn (R = Ho, Er) compounds
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The RCo(2)Mn (R = Ho and Er) alloys, crystallizing in the cubic MgCu(2)-type structure, are isostructural to RCo(2) compounds. The excess Mn occupies both the R and the Co atomic positions. Magnetic, electrical and heat capacity measurements have been done in these compounds. The Curie temperature is found to be 248 and 222 K for HoCo(2)Mn and ErCo(2)Mn, respectively, which is considerably higher than that of the corresponding RCo(2) compounds. Saturation magnetization values in these samples are less compared to that of the respective RCo(2) compounds. .
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