Dielectric relaxation in vitreous borates at low temperatures

H.J.C.A. Quinten, W.J.T. van Gemert, J.M. Stevels

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    Dielectric relaxation measurements have been made in vitreous alkali borates from 4.2 to 300 K, and from 102 to 105 s-1. Two types of relaxation are present: the first, at about 25 K (103 s-1), is intimately related to the presence of tetrahedral BO4 units in distorted positions, and the second, at about 160 K (103 s-1), is correlated with water that is present in small quantities in glass.

    Original languageEnglish
    Pages (from-to)333-345
    Number of pages13
    JournalJournal of Non-Crystalline Solids
    Issue number3
    Publication statusPublished - Sep 1978


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