Magnetism in RRhGe (R = Tb, Dy, Er, Tm): An experimental and theoretical study

Sachin Gupta, K. G. Suresh, A. K. Nigam, A. V. Lukoyanov

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

RRhGe (R = Tb, Dy, Er, Tm) compounds have been studied by different experimental probes and theoretical ab initio calculations. These compounds show very interesting magnetic and transport properties. All the compounds are antiferromagnetic with some of them showing spin-reorientation transition at low temperatures. The magnetocaloric effect estimated from magnetization data shows high values in all these compounds. Magnetoresistance is negative near the ordering temperatures and positive at low temperatures. The electronic structure calculations accounting for electronic correlations in the 4f rare-earth shell reveal the closeness of the antiferromagnetic ground state and other types of magnetic orderings in the rare-earth sublattice. These calculations are also in agreement with the experimental results.

Original languageEnglish
Pages (from-to)56-63
Number of pages8
JournalJournal of Alloys and Compounds
Volume640
DOIs
Publication statusPublished - 15 Aug 2015
Externally publishedYes

Keywords

  • Ab-initio calculations
  • Magnetocaloric effect
  • Magnetoresistance
  • RTX compounds

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