The Wemple-DiDomenico model as a tool to probe the building blocks conforming a glass

The low‐frequency optical dielectric response of glasses is discussed regarding its sensitivity to the presence of building blocks conforming their structure. The model suggested by Wemple and DiDomenico to describe the dispersion of the refractive index of solids is further developed in terms of th...

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Published inPhysica Status Solidi. B: Basic Solid State Physics Vol. 250; no. 5; pp. 1044 - 1051
Main Author González-Leal, J. M.
Format Journal Article
LanguageEnglish
Published Berlin WILEY-VCH Verlag 01.05.2013
WILEY‐VCH Verlag
Subjects
Alloys
Bonding
Dielectrics
Dispersions
Glass
glasses
Mathematical models
optical materials
refractive-index dispersion
Solid state physics
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Summary:The low‐frequency optical dielectric response of glasses is discussed regarding its sensitivity to the presence of building blocks conforming their structure. The model suggested by Wemple and DiDomenico to describe the dispersion of the refractive index of solids is further developed in terms of the cation local bonding environment and its effect in the value of the dispersion energy. As40S60−xSex glass alloys have been studied under these considerations and quantitative estimates of the concentration of building blocks are reported. Results are consistent with Raman experiments.
Bibliography:istex:0490D7A79982A2BAD512AD4A86D89C95D43D8D8B
ark:/67375/WNG-5KWR82GW-L
Regional Ministry of Innovation, Science and Enterprise of Andalusia
ArticleID:PSSB201248487
Spanish Ministry of Education and Science
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.201248487