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Research Paper | Physics Science | India | Volume 3 Issue 12, December 2014
Bandgap Energy and Optical Constants of Nano Crystalline PbSrBaTiO6 Ceramics
Anusha Mony  | Sheelakumari Issac | Jayakumari Isac 
Abstract: Nano Crystalline Ceramic lead strontium barium titanate (PbSrBaTiO6) was synthesized thermo chemically by solid state method at different treating temperatures. A characteristic feature of all solid-state reactions is that they involve the formation of product phase (s) at the interfaces of the reactants. UV-VIS analysis of the sample was carried out. Tunable band gaps can be obtained by varying annealing temperatures. The optical constants of refractive index, extinction coefficient, normal-incidence reflectivity, and absorption coefficient showed systematic variation with temperature. The dispersion of refractive index was analyzed by the Wemple- Di Domenico single-oscillator model.
Keywords: PbSrBaTiO6, band gap energy, Dispersion, Wemple- DiDomenico model, refractive index
Edition: Volume 3 Issue 12, December 2014,
Pages: 1451 - 1456
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