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SrB4O7:Bi2VO5.5 - A novel nanocomposite

Shankar, MV and Subbanna, GN and Varma, KBR (1995) SrB4O7:Bi2VO5.5 - A novel nanocomposite. In: Bulletin of Materials Science, 18 (7). pp. 931-936.

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Official URL: http://www.ias.ac.in/matersci/

Abstract

Glass composites of strontium tetraborate, SrB4O7 (SBO) with bismuth vanadate, Bi2VO5.5 (BiV) of the composition (1-x) SBO-x BN (0 less than or equal to x less than or equal to 0.75), have been synthesized. X-ray powder diffraction and electron microscopy indicate as-quenched composites to be amorphous and the annealed samples showed the presence of nanometer sized particles of BN dispersed in the glassy matrix of SBO. The dielectric constant of these composites increases with increase in the volume fraction of BiV, at 300 K. The measured dielectric constant of the composite very nearly obeys the Maxwell's relationship. Optical transmission studies confirm a steady shirt in the optical absorption edge towards longer wavelengths with increase in x

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 26 May 2011 05:50
Last Modified: 26 May 2011 05:50
URI: http://eprints.iisc.ernet.in/id/eprint/37916

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