Article,

Physical properties and giant magnetoresistance in RNiSb compounds

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Journal of Alloys and Compounds, 265 (1-2): 42--48 (January 1998)

Abstract

The physical properties of RNiSb (R=rare earth) have been investigated by magnetization, resistivity and magnetoresistance measurements. The light rare earth compounds are metallic, while those with Tb, Dy, Ho, are semiconductors with a giant negative magnetoresistance. With the exception of the Pauli-paramagnets LaNiSb and YNiSb, all those compounds have a Curie-Weiss magnetism. CeNiSb and NdNiSb are ferromagnetic probably with an additional modulated component for Ce, the heavy rare earths TbNiSb, DyNiSb and HoNiSb compounds order antiferromagnetically at low temperatures.

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