Molla, Atiar Rahaman and Tarafder, Anal and Mukherjee, S and Karmakar, Basudeb (2014) Transparent Nd3+-doped bismuth titanate glass-ceramic nanocomposites: Fabrication and properties. Optical Materials Express, 4 (4). pp. 843-863. ISSN 2159-3930

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Nd3+-doped bismuth titanate, (Bi4Ti3O12) (BiT) containing transparent glass-ceramics has been prepared by the melt-quenching followed by heat-treatment in the SiO2-K2O-Bi2O3-TiO2 (SKBT) system. The structural properties of the heat-treated GC are investigated using XRD, FE-SEM, TEM and FT-IR reflectance spectroscopy. The emission intensity of the F-4(3/2)-> I-4(11/2) transition at 1065 nm is enhanced by 9-fold due to entering of Nd3+ ions (r = 0.98 angstrom) into the low-phonon crystalline phase (BiT), possibly by replacing Bi3+ ions (r = 1.02 angstrom) of the same valency. An increase of er value (from 18.5 to 32.93) was observed with increase in heat-treatment time. (C)2014 Optical Society of America

Item Type: Article
Subjects: Glass
Divisions: Glass
Depositing User: Bidhan Chaudhuri
Date Deposited: 15 Dec 2014 06:38
Last Modified: 15 Dec 2014 06:38

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