Elastic properties of a magnetically controllable Jahn-Teller distortion in DyVO4

G. Gorodetsky, B. Lüthi, B. M. Wanklyn

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

At the crystallographic transition (14°K) in DyVO4 the c44 and c55 modes show continuous and opposite changes of the order of 1/2% in the sound velocity. The longitudinal mode c33 exhibits a change which is more than an order of magnitude smaller. The results can be explained using higher order Jahn-Teller energy terms. This enables us to determine the temperature dependence of the order parameter. Upon applying a magnetic field one can demonstrate the influence of crystallographic domains on the shear sound mode. Additional effects due to the Zeemann splitting of the electronic levels are seen.

Original languageEnglish
Pages (from-to)2157-2160
Number of pages4
JournalSolid State Communications
Volume9
Issue number23
DOIs
StatePublished - 1 Dec 1971
Externally publishedYes

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