A study of the structure of (GeS 2) 1−x(Sb 2S 3) x glasses

Analysis of the RDF of electron density calculated from X-ray intensity data indicates that the structure in the whole concentration range cannot be considered as an ideal solution of basic structural GeS 4- and SbS 3-units. For concentrations x≦0.1 Sb and S atoms are embedded into the GeS 2-like cl...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1987-12, Vol.97, p.183-186
Main Authors: Červinka, Ladislav, Smotlacha, Oldřich, Tichý, Ladislav
Format: Article
Language:English
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Summary:Analysis of the RDF of electron density calculated from X-ray intensity data indicates that the structure in the whole concentration range cannot be considered as an ideal solution of basic structural GeS 4- and SbS 3-units. For concentrations x≦0.1 Sb and S atoms are embedded into the GeS 2-like clusters as imperfect or highly distorted SbS 3motives and evoke an anomalous increase of the FSDP. For concentrations ≧0.2 formation of band-like Sb 2S 3 clusters leads to the dissolution (branching, interconnecting) of GeS 2-like clusters, the intercluster distance decreases and the FSDP diminishes its height.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(87)90043-3