Magnetic properties of RAu2Si2 rare earth compounds

I. Felner

doi:10.1016/0022-3697(75)90045-1

Magnetic properties of RAu₂Si₂ rare earth compounds

I. Felner^*

^*Corresponding author for this work

Racah Institute of Physics

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64 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 language	English
Pages (from-to)	1063-1066
Number of pages	4
Journal	Journal of Physics and Chemistry of Solids
Volume	36
Issue number	10
DOIs	https://doi.org/10.1016/0022-3697(75)90045-1
State	Published - Oct 1975

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title = "Magnetic properties of RAu2Si2 rare earth compounds",

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 N{\'e}el 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.",

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N2 - 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.

AB - 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.

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Magnetic properties of RAu₂Si₂ rare earth compounds

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