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OPTICAL BAND GAP ANALYSIS OF NANO-CRYSTALLINE CERAMIC PbSrCaCuO

Journal: Journal of Advances in Physics (Vol.5, No. 3)

Publication Date:

Authors : ;

Page : 816-822

Keywords : PbSrCaCuO; band gap energy; refractive index & Tauc plot.;

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Abstract

Nano-crystalline Ceramic PbSrCaCuO have been prepared by a high-energy ball milling process through mechanically assisted synthesis. The prepared sample was then subjected to calcinations to acquire the desired homogeneity and phase formation. UV-VIS analysis of the sample was carried to study the optical properties of the sample. The band gap energy of the sample shows a marked variation in their value with the increase in temperature. The refractive index n was calculated and the results obtained is plotted with the wavelength. The refractive-index curves also show a systematic variation with temperature.

Last modified: 2015-01-16 19:19:24