The Effects Of Different Annealing Temperature And Number Of Deposition Layers On The Crystallographic Properties Sodium Niobate (KNN) Thin Films Synthesized By Sol-Gel Spin Coating Technique

Abd Rashid, Mohd Warikh and Mat Harttar @ Mohd Hatta, Maziati Akmal and Azmi, Nurul Azuwa and Azlan, Umar Al-Amani (2017) The Effects Of Different Annealing Temperature And Number Of Deposition Layers On The Crystallographic Properties Sodium Niobate (KNN) Thin Films Synthesized By Sol-Gel Spin Coating Technique. Journal Of Advanced Manufacturing Technology, 11 (1). pp. 91-102. ISSN 1985-3157

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Abstract

In this paper, the effects of different annealing temperature and number of deposition layers on the crystallographic properties of potassium sodium niobate (KNN) thin films were investigated. X-ray diffraction (XRD) analysis was carried out to determine the crystallographic orientation and phase formation of thin films deposited at different annealing temperatures (600°C, 650°C and 700°C) and various number of deposition layers (1, 2, 3, 4 and 4 layers). The XRD patterns and texture coefficient of the synthesized films confirmed that a highly oriented orthorhombic perovskite structure was obtained at 650°C, while at higher temperature a spurious phase of K4Nb6O17 was evolved. The effective number of deposition layers was found to be five due to the formation of interconnected cracks at sixth deposited layers. The XPPA analysis showed that the unit cell volume of the films was increased gradually from 110.83 cm3 at one layer to 124.31 cm3 at fifth deposited layers. Nevertheless, the lattice strain effect was small and negligible at high layer deposition due to the increased distance of the lattice with the film/substrate interface.

Item Type: Article
Uncontrolled Keywords: KNN, Film, Sol-gel spin coating, Crystallographic, Deposition layer
Divisions: Faculty of Manufacturing Engineering
Depositing User: Sabariah Ismail
Date Deposited: 14 Oct 2021 11:43
Last Modified: 14 Oct 2021 11:43
URI: http://eprints.utem.edu.my/id/eprint/25327
Statistic Details: View Download Statistic

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