"reverse" magnetostriction effects in the [001] shape magnetostriction of cexLa1-xSb and smxLa1-xSb single crystals

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Shape magnetostriction measurements along the [001] direction were carried out for all the magnetic rare-earth ions, R, in RxLa1-xSb. At low temperatures the magnetostriction of both Ce and Sm are "reversed" with respect to the high temperatures. A crystal-field model can explain this phenomenon by the sign reversal of the expectation value of the quadrupole operator O^20. The data are consistent with a negative second-order magnetoelastic coupling constant, V23, for all the rare-earth ions.

Original languageEnglish
Pages (from-to)1202-1205
Number of pages4
JournalPhysical Review Letters
Volume49
Issue number16
DOIs
StatePublished - 1982
Externally publishedYes

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