Glass ceramic textures based on new ferroelectric complex oxidesстатья
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Web of Science
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:The possibility to produce polar phases from glass has been examined for ternary oxide systems of the stillwellite family (trigonal LnBXO(5), where Ln=La,Ce,Pr,Sm; X=Si,Ge and RBPO5, where R=Ca,Sr,Ba,Pbl, tetragonal K-2(NbO)(2)Si4O12 and orthorhombic PbLiPO4. Both original and literature data on crystallization behaviour of glasses in the Ln(2)O(3)-B2O3-XO2, RO-B2O3-P2O5, K2O-Nb2O5-SiO2, and Li2O-PbO-P2O5 systems are reviewed. The anisotropy in properties and morphology of polar crystals is considered as the main reason of grain-oriented crystallisation of glasses. Three new types of ferroelectric glass ceramic textures in the systems mentioned are reported and their specific features are described.