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Optical and thermal properties of TeO2-B2O3-Gd2O3 glass systems

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General Information Cached
Title
Optical and thermal properties of TeO2-B2O3-Gd2O3 glass systems
Type
Article
Main Author
Muhammad Noorazlan Abd Azis
Additional Authors
  • Halimah Mohamed Kamari
  • Chua, Eevon
Subject
Q Science (General)
Language Code
eng
Bibliographic Details
Place of Production
Tanjong Malim
Publisher
Fakulti Sains dan Matematik
Year of publication
2019
Degree Type
Not related
Corporate Name
Universiti Pendidikan Sultan Idris

Abstract

New glass samples with composition (1 – x)[(TeO2)70(B2O3)30] – x(Gd2O3) with x = 0.2, 0.4, 0.6, 0.8 and 1.0 in mol% have been synthesized by conventional melt-quenching techniques. X-ray diffraction (XRD) studies were performed in order to confirm the amorphous nature of the samples. The density of the samples has been found to vary with the Gd2O3 content, whereas an opposite trend has been observed in the molar volume. The analysis of Fourier Transform Infrared (FT-IR) spectroscopy of the samples showed that the glass network is mainly built of TeO3, TeO4, BO3 and BO4 units. The addition of Gd2O3 changed the refractive index, optical band gap and Urbach energy of the glass samples. The thermal properties of the studied glasses were investigated by measuring the thermal diffusivity of the samples by using photoflash method at room temperature

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