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공태경 ( Tae Kyung Gong ),전재현 ( Jae Hyun Jeon ),허성보 ( Sung Bo Heo ),차병철 ( Byung Chul Cha ),김준호 ( Jun Ho Kim ),정우창 ( Uoo Chang Jung ),박순 ( Soon Park ),공영민 ( Young Min Kong ),김대일 ( Daeil Kim ) 대한금속재료학회(구 대한금속학회) 2016 대한금속·재료학회지 Vol.54 No.2
To investigate the effect of a Ni buffer layer on the structural, electrical and optical properties of GZO (Ga Doped ZnO) thin films, GZO single layer and GZO/Ni bi-layered films were prepared on poly-carbonate (PC) substrates by RF and DC magnetron sputtering without intentional substrate heating. GZO films had an optical transmittance of 87.1% in the visible wavelength region and an electrical resistivity of 1.0×10-2 Ωcm, while GZO/Ni films had a lower resistivity of 1.2×10-3 Ωcm and an optical transmittance of 82.4%. Based on the figure of merit, it is clear that a 2 nm thick Ni buffer layer enhanced the opto-electrical performance of GZO films for use as transparent conducting oxides in flexible display applications (Received December 24, 2014)
Au 층간박막 두께에 따른 ZnO 박막의 전기광학적 특성 변화
박윤제(Yun-Je Park),최수현(Su-Hyeon Choe),김유성(Yu-Sung Kim),차병철(Byung-Chul Cha),공영민(Young-Min Gong),김대일(Daeil Kim) 한국표면공학회 2020 한국표면공학회지 Vol.53 No.3
ZnO single layer films (100 nm thick) and Au intermediated ZnO films (ZnO/Au/ZnO; ZAZ) were deposited on the glass substrate by RF and DC magnetron sputtering at room temperature and then the influence of the Au interlayer on the electrical and optical properties of the films were investigated. ZnO thin films show the visible transmittance of 90.3 % and sheet resistance of 63.2⨉10<SUP>8</SUP> Ω/□. In ZAZ films, as Au interlayer thickness increased from 6 to 10 nm, the sheet resistance decreased from 58.3⨉10<SUP>8</SUP> to 48.6 Ω/□, and the visible transmittance decreased from 84.2 to 73.9 %. From the observed results, it can be concluded that the intermediate Au thin film enhances the opto-electrical performance of ZnO films without intentional substrate heating.