The influence of substrate temperature on the properties of aluminum-doped zinc oxide thin films deposited by DC magnetron sputtering |
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Authors: | Yeon-Keon Moon Se-Hyun Kim Jong-Wan Park |
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Affiliation: | (1) Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-Dong, Seongdong-Ku, Seoul, 133-791, Korea |
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Abstract: | Transparent, conducting, aluminum-doped zinc oxide (AZO) thin films were deposited on Corning 1737 glass by a DC magnetron sputter. The structural, electrical, and optical properties of the films, deposited using various substrate temperatures, were investigated. The AZO thin films were fabricated with an AZO ceramic target (Al2O3:2 wt%). The obtained films were polycrystalline with a hexagonal wurtzite structure and preferentially oriented in the (002) crystallographic direction. The lowest resistivity was 6.0 × 10−4Ω cm, with a carrier concentration of 2.7 × 1020 cm−3 and a Hall mobility of 20.4 cm2/Vs. The average transmittance in the visible range was above 90%. |
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