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Structural and Dielectric Studies of Eu3+ -Doped Li-K-Zn Fluorotellurite Glasses

Journal: International Journal of Science and Research (IJSR) (Vol.4, No. 2)

Publication Date:

Authors : ; ; ; ;

Page : 325-329

Keywords : Tellurite glass; Europium; Dielectric; Conductivity; Power-law parameter; Cole-Cole parameter;

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Trivalent Eu3+ -doped Li-K-Zn fluorotellurite glasses of composition (70x) TeO2 + 10Li2O + 10K2O + 10ZnF2 + xEu2O3 with x (mol %) = 0.0, 0.1, 0.5, 1.0, 1.5 and 2.0, were prepared by conventional melt quenching technique and characterized for their structural and dielectric properties. The amorphous nature and thermal stability were established using X-ray diffraction technique and differential scanning calorimetry, respectively. Vibrational properties of the structural groups present in the glasses were also analyzed using Fourier transform infrared spectroscopy. Dielectric properties of the glass samples were also investigated. Power-law and the Cole-Cole parameters were calculated and their dependence on the concentration of Eu3+ ions was discussed.

Last modified: 2021-06-30 21:22:46