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The ability of GexGa4S96-x chalcogenide glasses dissolving rare earth probed by x-ray photoelectron spectra analysis

Xu, Qin; Yang, Xinyu; Zhang, Mingjie; Wang, Rongping


We have synthesized the ternary chalcogenide glasses GexGa4S96-x (x = 22.5, 27, 30, 33, 36), and studied the structural evolution of the glasses by the high-resolution x-ray photoelectron spectra (XPS) technique. We decomposed S 2p, Ge 3d and Ga 3d core XPS spectra into different structural units and found that, with increasing Ge content, part of S-Ge(Ga)-S structure changes into (Ge,Ga)- Ge(Ga)-S, and finally Ge(Ga) clusters appear in the chemically stoichiometric and S-poor glasses....[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Materials Research Express
DOI: 10.1088/2053-1591/ab23be


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