Magnetic properties of RAu2Si2 rare earth compounds

I. Felner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

The magnetic properties of the R Au2Si2 compounds with R = Ce-Er have been investigated. It was found that the compounds for which R = Ce, Sm, Gd, Tb and Dy are antiferromagnetically ordered at temperatures ranging from 5.7 to 15.9°K. PrAu2Si2 and NdAu2Si2 exhibit paramagnetic behavior for temperatures as low as 4.2°K. The magnetic structure is ferrimagnetic for the compounds in which R = Eu, Ho, and Er. The Eu compound is in the divalent state. The Néel and Curie points for this system do not follow the De-Gemnes function. Curie-Weiss Behavior is exhibited by all the compounds with effective moments in good agreement with that of a free tripositive lanthanide ion. The difference in magnetic properties between R Au2Si2 and the isomorphous R Fe2Si2 series is discussed.

Original languageEnglish
Pages (from-to)1063-1066
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume36
Issue number10
DOIs
StatePublished - Oct 1975

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