外文题目: Effects of Ag addition on properties and structure of Ge-Ga-Se-AgI chalcohalide glasses
作者: Liu, Yinyao; Le Coq, David; Ren, Jing; Hu, Lili; Chen, Guorong
刊名: J. Non-Cryst. Solids
年: 2016 卷: 432 页： 232--236
英文关键词:
Chalcohalide glasses; AC conductivity; Arrhenius fitting; Raman spectroscopy
NONLINEAR-OPTICAL PROPERTIES; CHALCOGENIDE GLASSES; PHASE-SEPARATION; CONDUCTIVITY; SILVER; SYSTEM; TRANSPORT; FILMS
英文摘要:
An increasing amount of Ag metal was introduced in two GeSe2-Ga2Se3-AgI chalcohalide glasses with GeSe2/Ga2Se3 molar ratios of 1:1 and 2:1. Up to 25 mol% Ag can be added in this GeSe2-Ga2Se3-AgI glass. The effects of Ag addition on some basic properties such as density, thermal stability, and optical band gap were investigated to have an overall understanding of GeSe2-Ga2Se3-AgI-Ag chalcohalide glasses. The modification of glass networks can be observed by Raman spectra and DSC measurements. Specifically, electrical conductivity was characterized by AC impedance spectra. The activation energy values of conductivity (E-sigma) were obtained through Arrhenius linear fitting. The large amount of Ag in the systems led to high conductivity and low E-sigma values. In general, several basic properties of the two series of novel glasses with different GeSe2/Ga2Se3 ratios were investigated in parallel and their potential as solid state conductive materials was evaluated. (C) 2015 Elsevier B.V. All rights reserved.


文献类型: 期刊论文
正文语种: English
收录类别: SCIEI
DOI: 10.1016/j.jnoncrysol.2015.10.015


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