Magnetostriction of dilute rare-earth bismuthides: The effect of non-S-state ions versus "S-state" ions

H. U. Häfner*, D. Davidov, G. J. Nieuwenhuys

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Shape magnetostriction measurements along the [001] direction were carried out for dilute rare-earth bismuthides; LaBi: R (R = Ce, Sm, Gd, Tb, Er) and the antimonide LaSb: Gd. The magnetostriction of LaBi: Ce and LaBi: Sm reveal the "reverse magnetostriction" phenomenon, enabling us to extract an overall crystalline field splitting of 12 K for the former compound. The magnetostriction of LaBi: Gd and LaSb: Gd which are significantly larger than that of the "pure" hosts, can be explained by a modified version of a model previously suggested by us. The fitting procedure yields magnetoelastic coupling constants for LaSb: Gd and LaBi: Gd which has the correct sign and magnitude according to existing theories.

Original languageEnglish
Pages (from-to)45-50
Number of pages6
JournalJournal of Magnetism and Magnetic Materials
Volume38
Issue number1
DOIs
StatePublished - Aug 1983
Externally publishedYes

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