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J. Korean Ceram. Soc. > Volume 35(7); 1998 > Article
Journal of the Korean Ceramic Society 1998;35(7): 733.
증착변수 및 열처리 효과가 스퍼터링된 ZnO 박막의 성장 특성 및 전기비저항에 미치는 영향
하재수, 김광호
부산대학교 무기재료공학과
Effect of Depositon Variables and Heat-treatment on the Growth Charateristics and Electrical Resistivity of ZnO Thin Film by Sputtering
ABSTRACT
C-axis oriented zinc oxide thin films were deposited on Cornign 1737 glass substrate by an rf magnetron sputtering technique. The effects of deposition parameters and post heat-treatment on the crystallinity and electical properties of ZnO films were investigaed. As-deposited ZnO films showed the strong c-axis growth and excellent crystallinity under the deposition conditions as follows: substrate temperature 350$^{circ}C$ ; growth and excellent crystallinity under the deposition conditions as follows ; substrate temperature 350$^{circ}C$ rf power 75W ; gas pressure 6m Torr; percentage of oxygen 50% The higher heat-treating temperatue was the stronger c-axis growth and the better crystallinity of the deposited ZnO films were. The resistivity of ZnO films was significantly affected by deposition parameters and post heat-treatment. With increasing increased. After post heat-treating at 400$^{circ}C$ in air the resistivity of ZnO films increased but post heat-treat-ing temperature 500$^{circ}C$ rather diminished the film resistivity.
Key words: Rf-sputtering, ZnO film, Crystallinity, C-axis growth, Electrical resistivity
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