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

Optical Properties of Bismuth Tellurite Based Glass

*  and
Physics Department, Faculty of Science, University Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
* Author to whom correspondence should be addressed.
Received: 16 February 2012 / Revised: 26 March 2012 / Accepted: 26 March 2012 / Published: 11 April 2012
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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
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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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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