Structural study by Raman spectroscopy and 77Se NMR of GeSe4 and 80GeSe2–20Ga2Se3 glasses synthesized by mechanical milling
Source abstract
Abstract
Abstract Amorphous powders of GeSe 4 and 80GeSe 2 –20Ga 2 Se 3 compositions have been prepared by mechanical alloying of raw Germanium, Selenium and Gallium. The amorphization process and structural evolution of the powder during mechanical alloying have been studied by XRD, DSC, Raman spectroscopy and 77 Se NMR. The role of Gallium in the amorphization process has been pointed out. Similar structures and thermal properties of amorphous powders and respective glasses synthesized by melt-quenching method have been observed.
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Research context
OpenAlex topics: Phase-change materials and chalcogenides · Glass properties and applications · Mineralogy and Gemology Studies
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