Measurements of acoustic velocity and attenuation shifts at the spin-reorientation phase transition of TmFeO3

G. Gorodetsky, S. Shtrikman

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Measurements of sound velocity and attenuation changes at the spin-reorientation region are reported. The measurements were carried out with a magnetic field applied along the a axis of the orthorhombic crystal. A cw ultrasonic interferometer, which is described here in detail, was employed for these measurements. The observed velocity shifts are satisfactorily accounted for using a phenomenological model with a quadratic magnetoelastic term. The effect of magnetic domains on the attenuation peaks is also discussed.

Original languageEnglish
Pages (from-to)1127-1130
Number of pages4
JournalJournal of Applied Physics
Volume51
Issue number2
DOIs
StatePublished - 1 Dec 1980

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