Abstract
Abstract The intrinsic light scattering behavior of several halide glasses has been studied as a function of temperature from room temperature to beyond the glass transition temperature, Tg. The Landau-Placzek ratios and the Brillouin shifts and widths were obtained as a function of temperature. Anomalous scattering results were found in the glass transition region both for the Landau-Placzek ratios and the Brillouin shifts. These results are interpreted as evidence of the physical origin of the non-exponential character of structural relaxation kinetics and their relationship to thermally induced nanoscale inhomogeneities.
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