Magneto-elastic interactions in terbium

J. Jensen

    Research output: Contribution to journalJournal articleResearchpeer-review


    Making use of the Hamiltonian for linear magneto-elastic coupling which has been proposed by Callen and Callen, expressions are deduced for changes in the velocity of acoustic waves in a terbium crystal, due to ferromagnetic ordering and the application of an external magnetic field. These calculations agree semi-quantitatively with the results of experimental measurements. The author has examined the extent to which this simple picture is applicable to explain the magnon-phonon interactions in terbium, which have been observed at finite wave vectors by inelastic neutron scattering
    Original languageEnglish
    JournalInternational Journal of Magnetism
    Issue number3
    Pages (from-to)271-275
    Publication statusPublished - 1971


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