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The dielectric and electrical conductivity characteristics of $BaNaB_{9}O_{15}$ glasses

Vaish, Rahul and Varma, KBR (2008) The dielectric and electrical conductivity characteristics of $BaNaB_{9}O_{15}$ glasses. In: Journal Of Physics D: Applied Physics, 41 . 165401(1)-165401(6).

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Transparent $BaNaB_{9}O_{15} (BNBO)$ glasses were fabricated via the conventional melt-quenching technique. X-ray powder diffraction combined with differential scanning calorimetric studies carried out on as-quenched samples confirmed their amorphous and glassy nature, respectively. The dielectric constants in the 1 kHz–10MHz frequency range for BNBO glasses were determined as a function of the temperature (300–1023 K). The dielectric constant for the as-quenched glass increased with increasing temperature, exhibiting anomalies in the vicinity of the glass transition and crystallization temperatures. The frequency dependent characteristics of conductivity and dielectric constant were analysed using a derivative solution of Jonscher’s power law.

Item Type: Journal Article
Publication: Journal Of Physics D: Applied Physics
Publisher: IOP Publishing
Additional Information: copyright of this article belongs to IOP Publishing
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 18 Dec 2008 11:15
Last Modified: 19 Sep 2010 04:52
URI: http://eprints.iisc.ac.in/id/eprint/16469

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