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Int. J. Mol. Sci. 2012, 13(4), 4623-4631; doi:10.3390/ijms13044623
Article

Optical Properties of Bismuth Tellurite Based Glass

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Received: 16 February 2012 / Revised: 26 March 2012 / Accepted: 26 March 2012 / Published: 11 April 2012
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Abstract

A series of binary tellurite based glasses (Bi2O3)x (TeO2)100−x was prepared by melt quenching method. The density, molar volume and refractive index increase when bismuth ions Bi3+ increase, this is due to the increased polarization of the ions Bi3+ and the enhanced formation of non-bridging oxygen (NBO). The Fourier transform infrared spectroscopy (FTIR) results show the bonding of the glass sample and the optical band gap, Eopt decreases while the refractive index increases when the ion Bi3+ content increases.
Keywords: tellurite glass; optical band gap; optical properties tellurite glass; optical band gap; optical properties
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Oo, H.M.; Mohamed-Kamari, H.; Wan-Yusoff, W.M.D. Optical Properties of Bismuth Tellurite Based Glass. Int. J. Mol. Sci. 2012, 13, 4623-4631.

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