HIGH TEMPERATURE RESONANCE LOSSES IN SILICON-DOPED YTTRIUM-IRON GARNET (YIG)

D. J. Epstein, L. Tocci

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    Abstract

    The ferrimagnetic resonance linewidth of silicon-doped YIG, measured as a function of temperature at 13.4 kMHz, is found to show a pronounced peak at 105°C. The anisotropic behavior of this peak is in good agreement with the four-level valence-exchange model proposed by Clogston. The model yields for the electron ordering energy a value 5 × 10-4 eV which agrees closely with the energy deduced from magnetic anneal studies. The activation energy for electron transfer (0.25 eV) is virtually identical with values reported in investigations of electrical conductivity and acoustic loss. ©1967 The American Institute of Physics
    Original languageEnglish
    JournalApplied Physics Letters
    Volume11
    Issue number2
    Pages (from-to)55-58
    ISSN0003-6951
    DOIs
    Publication statusPublished - 1967

    Bibliographical note

    Copyright (1967) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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