Influence of Superconductivity on Crystal Electric Field Transitions in La1-xTbxAl2

R. Feile, M. Loewenhaupt, Jørgen Kjems, H.E. Hoenig

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Inelastic neutron scattering from the crystal electric field transitions in La1-xTbxAl2 single crystals has revealed an abrupt increase in the lifetimes of these transitions when the system becomes superconducting. An increase in the integrated intensities is also observed. The lifetime effects are quantitatively reproduced by existing theories, which take into account the reduced scattering of the conduction electrons by the magnetic ions due to the creation of the superconducting energy gap 2Δ(T).
    Original languageEnglish
    JournalPhysical Review Letters
    Volume47
    Issue number8
    Pages (from-to)610-613
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1981

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