Dynamics of coupled electron-phonon modes in LiY1-xHoxF4

P.J. Rump, A.F.M. Arts, H.W. de Wijn, M. Nielsen

    Research output: Contribution to journalJournal article


    In single crystals of LiY1-xHoxF4, Ho3+ ions are found to be useful luminescent detectors for phonons of frequencies in the range 6-72 cm(-1). Furthermore. by use of neutron diffraction, coupled electron-phonon modes associated with the lowest Stark levels of the I-5(8) ground multiplet are observed in LiHoF4. The coupled modes account for anomalous phonon diffusion and a strong magnetic-field dependence of the relaxation within the F-5(5) excited multiplet for crystals with x greater than or similar to 0.1.
    Original languageEnglish
    JournalPhysica B: Condensed Matter
    Pages (from-to)760-762
    Publication statusPublished - 1996


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