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Structural and electrical properties of SiO2–Li2O–Nb2O5glass and glass-ceramics obtained by thermoelectric treatments

✍ Scribed by M. P. F. Graça; M. G. Ferreira da Silva; M. A. Valente

Publisher
Springer
Year
2007
Tongue
English
Weight
738 KB
Volume
42
Category
Article
ISSN
0022-2461

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Electric and dielectric properties of a
Electric and dielectric properties of a SiO2–Na2O–Nb2O5 glass subject to a controlled heat-treatment process
✍ M.P.F. Graça; M.G. Ferreira da Silva; A.S.B. Sombra; M.A. Valente 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 541 KB

Glass and glass ceramics with the molar composition 60SiO 2 -30Na 2 O-10Nb 2 O 5 (mol%) were prepared by the melt-quenching method. Sodium niobate (NaNbO 3 ) crystallites were precipitated on the surface of the glass through a controlled heat-treatment (HT) process. The NaNbO 3 crystallites, detecte