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Optical diffraction of second harmonic generation in $SrBi_2(Nb_{0.7}V_{0.3})_2O_9$ in the $SrO-Bi_2O_3-0.7Nb_2O_5-0.3V_2O_5–Li_2B_4O_7$ glass system

Venkataraman, Harihara B and Varma, KBR and Rodriguez, Vincent and Maglione, Mario and Etourneau, J (2005) Optical diffraction of second harmonic generation in $SrBi_2(Nb_{0.7}V_{0.3})_2O_9$ in the $SrO-Bi_2O_3-0.7Nb_2O_5-0.3V_2O_5–Li_2B_4O_7$ glass system. In: Synthetic Metals, 155 (2). pp. 434-438.

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Abstract

Transparent glasses in the system $(100-3x)(Li_2O–4B_2O_3)-x(SrO-Bi_2O_3-0.7Nb_2O_5-0.3V_2O_5)$ (where x = 10, 30 and 50, in molar ratio) embedded with nanocrystallites of $SrBi_2(Nb_{0.7}V_{0.3})_2O_9$ exhibited intense second harmonic signals in transmission mode when exposed to IR laser light at \lambda = 1064 nm. The second harmonic waves were found to undergo optical diffraction. The origin of optical diffraction in these samples was attributed to the self organised structures of fine crystallites of submicrometer size that were inscribed in-situ by the IR laser radiation. Laser Raman studies confirmed these crystallites to be vanadium doped strontium bismuth niobate.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier B.V.
Keywords: Melt processing;Crystalline/glass interfaces;Transmission electron microscopy;Glass transitions;Nonlinear optical methods
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 12 Nov 2007
Last Modified: 19 Sep 2010 04:40
URI: http://eprints.iisc.ernet.in/id/eprint/12318

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