Short range order and glass transition in AgIAg2OB2O3 vitreous electrolytes
作者： Gaetano Chiodelli , Aldo Magistris , Marco Villa , John L. Bjorkstam
DOI: 10.1016/0022-3093(82)90002-3
关键词: Electrolyte 、 Boron 、 Silver iodide 、 Range (particle radiation) 、 Thermodynamics 、 Hysteresis 、 Crystallization 、 Materials science 、 Glass transition 、 Ionic conductivity
摘要: Abstract Several experimental techniques are used to study the short range order, dynamics and glass transition in AgIAg2B2O3 compounds. Addition of Ag2O B2O3, up [Ag2O]/[B2O3] ⩽0.5 modifies borate network by creating a BO4 unit for each silver added. AgI decreases temperature (Tg) but has only minor effects on structure network. Silver iodide is partially accomodated interstices The relationship among tentative structural picture, ion transport phenomena low discussed. An investigation AgI·Ag2O·2B2O3 near above Tg presented. With NMR techniques, we monitor onset tumbling units dynamical crystallization and/or aging glass. Hysteresis ionic conductivity (σ) dependence non-Arrhenian behavior σT interpreted terms modifications occurring at elevated temperatures
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