Glass formation and properties in the system xPbCl2-15PbO-(85-x) PbBr2 (where 0 ≤ x ≤ 25) has been prepared by microwave method. The glass forming tendency of the admixtures was also been studied by determining the Hurby’s factor (HR). HR values of the investigated glasses lie in a short range of 0.14 to 0.24; hence preparation of these glasses is very difficult and requires suitable experimental conditions. Lead bromide and lead chloride are inter-substituted by keeping the concentration of PbO at 15 mol%. Properties like glass transition temperature (Tg), jump in heat capacity (ΔCp) at Tg, width of glass transition (ΔT), show a composition dependent trend. The stability indices such as H′ and S have also been calculated. These values reveal that PbCl2 rich glasses are less stable while PbBr2 rich glasses are stable, which is well supported by chemical durability studies. The calculated values of glass formation indices fall in right range (G≥20 for glass formers, for conditional glass formers 10≤G≤20 and G<10 for glass modifiers) for compositions studied in the present work.
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23 May 2016
DAE SOLID STATE PHYSICS SYMPOSIUM 2015
21–25 December 2015
Uttar Pradesh, India
Research Article|
May 23 2016
Investigations on oxyhalide glasses synthesized by microwave assisted process
D. Vijayatha;
D. Vijayatha
1Department of Physics,
Gurunanak Institute of Technology
, Hyderabad-040, India
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R. Viswanatha;
R. Viswanatha
2Solid State and Structural Chemistry Unit,
Indian Institute of Science
, Bangalore 560012, India
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C. S. Somashekaraiah;
C. S. Somashekaraiah
3Department of Physics,
Sree Siddaganga College of Arts, Science and Commerce
, Tumkur 572102, India
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C. Narayana Reddy
C. Narayana Reddy
*
3Department of Physics,
Sree Siddaganga College of Arts, Science and Commerce
, Tumkur 572102, India
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*
Corresponding author: Email: nivetejareddy@gmail.com;Tel: +91 9945617403 (M); Fax: 080-25210113
AIP Conf. Proc. 1731, 070024 (2016)
Citation
D. Vijayatha, R. Viswanatha, C. S. Somashekaraiah, C. Narayana Reddy; Investigations on oxyhalide glasses synthesized by microwave assisted process. AIP Conf. Proc. 23 May 2016; 1731 (1): 070024. https://doi.org/10.1063/1.4947856
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