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Int. J. Mol. Sci. 2013, 14(1), 1022-1030;

The Effect of Remelting on the Physical Properties of Borotellurite Glass Doped with Manganese

Glass and Ultrasonics Studies Centre (GUSC), Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Author to whom correspondence should be addressed.
Received: 7 October 2012 / Revised: 26 December 2012 / Accepted: 29 December 2012 / Published: 7 January 2013
(This article belongs to the Section Materials Science)
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A systematic set of borotellurite glasses doped with manganese (1–x) [(B2O3)0.3(TeO2)0.7]-xMnO, with x = 0.1, 0.2, 0.3 and 0.4 mol%, were successfully synthesized by using a conventional melt and quench-casting technique. In this study, the remelting effect of the glass samples on their microstructure was investigated through density measurement and FT-IR spectra and evaluated by XRD techniques. Initial experimental results from XRD evaluation show that there are two distinct phases of glassy and crystallite microstructure due to the existence of peaks in the sample. The different physical behaviors of the studied glasses were closely related to the concentration of manganese in each phase. FTIR spectra revealed that the addition of manganese oxide contributes the transformation of TeO4 trigonal bipyramids with bridging oxygen (BO) to TeO3 trigonal pyramids with non-bridging oxygen (NBO). View Full-Text
Keywords: borotellurite glass; density; bridging oxygen; FTIR spectra borotellurite glass; density; bridging oxygen; FTIR spectra
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hashim, S.P.H.S.; Sidek, H.A.A.; Halimah, M.K.; Matori, K.A.; Yusof, W.M.D.W.; Zaid, M.H.M. The Effect of Remelting on the Physical Properties of Borotellurite Glass Doped with Manganese. Int. J. Mol. Sci. 2013, 14, 1022-1030.

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