Strain-ion coupling effects on elastic constants of FeCl2

G. Gorodetsky, A. Shaulov, V. Volterra, J. Makovsky

Research output: Contribution to journalArticlepeer-review

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Measurements of the elastic constants c33, c44, and c66 in FeCl2 are reported. The temperature dependence of c44 and c66 in the paramagnetic region is explained by the strain-single-ion coupling mechanism. Similar effects were previously observed for rare-earth ions but not for transition metal ions. The effect of this coupling for c33 is expected to be small and was not observed experimentally. A critical behavior of c33 is observed near the Néel temperature.

Original languageEnglish
Pages (from-to)1205-1208
Number of pages4
JournalPhysical Review B
Issue number3
StatePublished - 1976
Externally publishedYes


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