Magnetic and electrical properties of RCo<sub>2</sub>Mn (R=Ho, Er) compounds期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Magnetic and electrical properties of RCo₂Mn (R=Ho, Er) compounds

Authors:	Bibekananda Maji A.K. Nigam

Affiliation:	^a Magnetic Materials Laboratory, Department of Physics, Indian Institute of Technology Bombay, Mumbai-400076, India ^b Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai-400005, India

Abstract:	The RCo₂Mn (R=Ho and Er) alloys, crystallizing in the cubic MgCu₂-type structure, are isostructural to RCo₂ 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 HoCo₂Mn and ErCo₂Mn, respectively, which is considerably higher than that of the corresponding RCo₂ compounds. Saturation magnetization values in these samples are less compared to that of the respective RCo₂ compounds.

Keywords:	Intermetallics Laves phase Magnetoresistance
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