11B NMR studies of the local environment of boron in B2S3Li2SLiI glasses
作者： KS Suh , A Hojjaji , G Villenueve , M Menetrier , A Levasseur
DOI: 10.1016/0022-3093(91)90772-X
关键词: Local environment 、 Physical chemistry 、 Lithium iodide 、 Preparation method 、 Lithium 、 Chemistry 、 Boron 、 Nuclear chemistry
摘要: Abstract A 11B NMR study is made of H2S-free vitreous B2S3, showing the presence only triangular BS3 units, even at elevated temperature. The investigation lithium thioborate glasses in composition range B2S31Li2S to B2S33Li2S shows a regular decrease percentage N4 4-coordinated boron atoms upon incorporation Li2S, from 35 5%. addition iodide does not modify for B2S3-nLi2S-pLiI compared with corresponding binary samples. discrepancy between result this work and previous works on system discussed basis sample purities which are consequence preparation methods.
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