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Glass-forming ability and structure of glasses in the ZnO-WO.sub.3./sub.-P.sub.2./sub.O.sub.5./sub. system

  1. 1.
    SYSNO ASEP0380606
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleGlass-forming ability and structure of glasses in the ZnO-WO3-P2O5 system
    Author(s) Koudelka, L. (CZ)
    Šubčík, J. (CZ)
    Mošner, P. (CZ)
    Gregora, Ivan (FZU-D) RID, ORCID
    Montagne, L. (FR)
    Delevoye, L. (FR)
    Source TitleEuropean Journal of Glass Science and Techology. Part B. Physics and Chemistry of Glasses - ISSN 1753-3562
    Roč. 53, č. 3 (2012), s. 79-85
    Number of pages7 s.
    Languageeng - English
    CountryGB - United Kingdom
    Keywordsglasses ; ternary systems ; Raman spectra ; NMR
    Subject RIVBM - Solid Matter Physics ; Magnetism
    R&D ProjectsKAN301370701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
    CEZAV0Z10100520 - FZU-D (2005-2011)
    UT WOS000308900000004
    EID SCOPUS84865224374
    AnnotationThe glass-forming region of the ZnO–WO3-P2O5 system has been determined and basic physical properties of the glasses were obtained. Structure and properties of these glasses were studied by Raman and 31P NMR spectroscopies. 31P MAS NMR spectra of the glasses show that the phosphate chains are shortened by the incorporation of tungstate structural units. The co-existence of WO4 and WO6 units in the glass structure was seen in glasses with a high ZnO content. Raman spectra reveal existence of isolated WO6 units especially in the glasses with a low WO3 content and a high P2O5 content. Clustering of WO6 units by the formation W–O–W bonds takes place in glasses with high WO3 content.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2013
Number of the records: 1  

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