Transparent Glass Ceramics from 65LiNbO3-35SiO2 Glass Composition

Pattamaporn Prapitpongwanich; Ruzha Harizanova; Christian Rüssel; Kamonpan Pengpat

doi:10.4028/www.scientific.net/AMR.55-57.313

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 55-57Transparent Glass Ceramics from 65LiNbO3-35SiO2...

Transparent Glass Ceramics from 65LiNbO₃-35SiO₂ Glass Composition

Abstract:

Transparent glass with composition 65LiNbO3-35SiO2 was fabricated via the conventional melt-quenching technique. Glass-ceramics containing nanoscale (less than 100 nm) rhombohedral lithium niobate crystals were successfully produced by annealing the respective glass at various temperatures (600, 650 700 and 975 °C) for 1 h. The result of optical transmission spectra shows that the quenched sample is optically transparent. Transparent samples should possess crystals << 200 nm and have a narrow distribution of crystal sizes.