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RF magnetron sputtered YSZ thin film: Fabrication and characterizations

Meskon, Shahrul Razi and Sutjipto, Agus Geter Edy and Ani, Mohd Hanafi and Othman, Raihan (2010) RF magnetron sputtered YSZ thin film: Fabrication and characterizations. In: 3rd International Conference on Functional Materials and Devices 2010, 13-17 June 2010, Kuala Terengganu, Terengganu, Malaysia. (Unpublished)

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In order to obtain high ionic conductivity of a solid electrolyte at intermediate temperatures, a very thin dense film is crucial due to its reduced ohmic losses. This work describes the fabrication of yttria-stablized zirconia (8YSZ) thin films using radio frequency (RF) magnetron sputtering method. The thin films were deposited on carbon paint coated stainless steel foils with varying substrate temperatures (Ts) of 150, 200, 250 and 300°C, while other sputtering parameters i.e. argon gas flow rate, RF power and deposition time were fixed. The sputtering target was sintered YSZ pellets. The deposited thin films thickness ranges from 300 nm to 2 μm as determined from the scanning electron microscopy. Phase analysis using the X-ray diffraction (XRD) revealed monoclinic, tetragonal and cubic phases of zirconia, and yttria peaks. AC impedance spectroscopy was conducted to measure the bulk resistance of the thin films. Through increasing substrate temperatures, the bulk resistance decreases from 13.76 k for Ts of 150C to 1.913 k for Ts of 300C.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: 4703/6720
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA2001 Plasma engineering. Applied plasma dynamics
T Technology > TJ Mechanical engineering and machinery > TJ807 Renewable energy sources
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2896 Production of electricity by direct energy conversion
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Science
Depositing User: Raihan Othman
Date Deposited: 19 Dec 2011 14:00
Last Modified: 19 Dec 2011 14:00
URI: http://irep.iium.edu.my/id/eprint/6720

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