The Polarizability and Optical Characteristics of Zinc Phosphate Glasses Doped Terbium Embedded with Copper Oxide Nanoparticles

Abstract:

Tuning the concentration of nanoparticles (NPs) to accommodate wider application demanded a better understanding of the physicals and structural properties of the glass. A series of zinc phosphate glasses with the composition of (57-x) P₂O₅- 40ZnO-3Tb₂O₃ –xCuO, (0 ≤ x ≤ 2 mol %) has been prepared by melt quenching technique and their physical and optical characterization have been studied. The X-Ray Diffraction technique and UV-Vis Spectroscopy have been used to characterize the glass sample. The XRD confirms the amorphous nature of the prepared glasses. The physical properties of glasses with different CuO NPs such as density, molar volume, refractive index and electronic polarizability are determined. It is found that both density and molar volume decreases with increasing CuO NPs concentration. The optical band gap (4.54 eV-2.96 eV) and the Urbach energy (0.19 eV-0.54 eV) are showing a decreasing trend with the increasing amount of CuO NPs.This is due to the formation of non-bridging oxygen, (NBO) in the glass network. The glass exhibits high refractive index ~2.40 and polarizability ~1.12 ×10^-23 cm³ and is useful for solid-state laser and optoelectronic devices.

• Periodical: Solid State Phenomena (Volume 290)
• Pages: 35-40
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.290.35
• Online since: April 2019
• Authors: Syariffah Nurathirah Syed Yaacob, M.R. Sahar*, E.S. Sazali, Sulhadi Sulhadi
• Keywords: Copper Oxide Nanoparticles, Phosphate, Polarizability , Terbium

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