Structural, Optical and Electrical Properties of Aluminum Sodium Phosphate Glasses

被引：0
作者：
A. A. Elbakey [1 ]
M. E. Sayed [2 ]
N. F. Osman [2 ]
Ahmed R. Wassel [3 ]
H. A. Zayed [4 ]
机构：
[1] Basic Science Department, Thebes Higher Institute of Engineering, Maadi, Giza
[2] Basic Science Department, Modern Academy for Engineering and Technology in Maadi, Cairo
[3] Electron Microscope and Thin Films Department, Physics Research Institute, National Research Centre, Dokki, Giza
[4] Physics Department, Faculty of Women, Ain Shams University, Cairo
来源：
Glass Physics and Chemistry | 2024年 / 50卷 / 6期
关键词：
aluminum phosphate glasses; electrical properties; optical study;
D O I：
10.1134/S1087659624600121
中图分类号：
学科分类号：
摘要：
Abstract: By using the conventional melt quenching technique, the transparent glasses 55P2O5–35Na2O–10Al2O3 (mol %) were prepared. Structural study has been investigated by using X-ray diffraction (XRD) and (EDAX) and it was found that the prepared samples were amorphous structure. Using the differential thermal analysis (DTA), the glass transition (Tg) and crystallization temperature (Tc) were determined, and the results show that the prepared glass samples exhibit thermal stability h '. Density, molar volume and oxygen packing density ensure that Al2O3 is incorporated in sodium phosphate glass. The dc, ac electrical conductivity and dielectric constants of the prepared glass samples have been investigated at frequency range (from 50 Hz to 5 MHz) and temperature T (from 303 to 443 K). The temperature dependence of the dc conductivity of prepared glasses follows the Arrhenius law. It was found that the values of activation energy ΔEdc = 2.3 eV. The Cole–Cole plot was used to examine the conductivity mechanism for grain resistance. The results of the ac conductivity σac and its frequency exponent (s) have been analyzed to determine the conduction mechanism. The exponent (s) has values between 0.42–0.8; consequently the (CBH) seems to be the most interesting model related to the obtained results. © Pleiades Publishing, Ltd. 2024.
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页码：631 / 638
页数：7
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