Low frequency Raman study of the Boson peak in a Tellurite-tungstate glass over temperature
Source abstract
Abstract
In this work we present our findings performing low frequency Raman measurements over temperature in a tellurite-tungstate glass sample. The spectra could be fitted by using only two log-Gaussians, which suggests that quasi-elastic light scattering is negligible. The positions of the peaks have the same temperature behavior, being the higher frequency one refered as Boson Peak in literature. The similar temperature behavior and depolarization ratio indicates that the peaks may have the same origin, being linked to the tranversal and longitudinal vibrations of some unit.
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Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Mineralogy and Gemology Studies
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