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The influence of sintering temperature to the structural and densification of silica doped zinc oxide for varistor application

Mohamed, Ruziana and Abdul Rasul, Nur Farhaim and Yahya, Norihan and Mamat, Hafiz and Malek, Mohd Firdaus and Ismail, Ahmad Syakirin and Mohd Yusoff, Marmeezee and Senawi, Syamsyir Akmal and Rusop, Mohamad (2019) The influence of sintering temperature to the structural and densification of silica doped zinc oxide for varistor application. In: Nanoscience And Nanotechnology: Nano-Scitech, 26 Feb – 1 Mar 2018, Selangor.

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Abstract

The Si doped ZnO nanopowders for varistor have been prepared at different sintering temperature using solid state method. The Si doped ZnO have been sintered at different temperatures 850, 950 and 1050 °C at air condition. The structural and densification of Si doped ZnO were determined using scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis and digital density meter. It was found that the average grain size of Si doped ZnO varistor were 0.81, 1.05 and 2.10µm when sintered at 850, 950 and 1050 °C, respectively. The density of Si doped ZnO were 3.999, 4.453 and 5.332 g/cm when the sintering temperature increased from 850, 950 and 1050 °C, respectively. The density and average grain size of the Si-Doped ZnO is increased with increase of sintering temperature. The Si doped ZnO varistor at different sintering process are polycrystalline structure. It is revealed that the sintering temperature can influence the properties of Si doped ZnO ceramics which is suitable to be used in varistor application.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 6421/79634
Uncontrolled Keywords: sintering temperature, structural,densification silica doped zinc oxide, varistor application
Subjects: T Technology > T Technology (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Depositing User: Dr. Marmeezee Mohd. Yusoff
Date Deposited: 19 Mar 2020 11:17
Last Modified: 15 Jul 2020 11:09
URI: http://irep.iium.edu.my/id/eprint/79634

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