Journal
JOURNAL OF ASIAN CERAMIC SOCIETIES
Volume 5, Issue 3, Pages 276-283Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1016/j.jascer.2017.05.003
Keywords
(Pb, Bi).TiO3 glasses; XRD; Density; Molar volume; X-ray absorption spectroscopy; SEM; EDAX; Contact angle
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Funding
- Uttar Pradesh Council of Science and Technology (UPCST), Lucknow (India) [CSTT/YSS/D-3913]
- Council of Scientific and Industrial Research Human Resource Development Group, CSIR Complex, Pusa, New Delhi (India) [124250/2K15/1-EMR-I]
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Two series of glasses were synthesized by conventional rapid melt-quench method for different glass systems 55[(PbxBi1-x).TiO3]-44[2SiO(2)B(2)O(3)] and 65[(PbxBi1-x).TiO3]-34[2SiO(2)B(2)O(3)] doped with 1 mole percent of La2O3. X-ray diffraction study of synthesized glass sample shows amorphous nature while the glass ceramic sample revealed a cubic crystal structure due to devitrification of the glass as major crystalline phase of bismuth titanium oxide. X-ray absorption spectroscopy measurements in transmission mode were carried out and confirm the maximum value of absorption coefficient, 3.05 at energy 13450 eV for lead free glass ceramic sample. Scanning electron microscopy and contact angle measurements were also performed to explain the surface morphology. Energy dispersive X-ray analysis confirmed the presence of grains of bismuth titanium oxide and its elemental analysis with O, Ti, Si, Bi nanoparticles. The inclusions of La2O3 results in development of well interconnected crystallites were formed as major phase of bismuth titanium oxide. (C) 2017 The Ceramic Society of Japan and the Korean Ceramic Society. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.
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