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http://dx.doi.org/10.4191/KCERS.2004.41.2.106

Effects of Oxygen Flow Ratio on the Crystallographic Orientation of NiO Thin Films Deposited by RE Magnetron Sputtering  

류현욱 (조선대학교 에너지자원신기술연구소)
최광표 (조선대학교 에너지자원신기술연구소)
노효섭 (조선대학교 신소재공학과)
박용주 (조선대학교 에너지자원신기술연구소)
박진성 (조선대학교 신소재공학과)
Publication Information
Abstract
Nickel oxide (NiO) thin films were prepared on Si(100) substrates at room temperature by RF magnetron sputtering using a NiO target. The effects of oxygen flow ratio for the plasma gas on the preferred orientation and surface morphology of the NiO films were investigated. Highly crystalline NiO film with (100) orientation was obtained when it was deposited in pure Ar gas. For NiO film deposited in pure O$_2$ gas, on the other hand, the orientation of the film changed from (100) to (111) and its deposition rate decreased. The origin of the preferred orientation of the films was discussed. NiO films also showed different surface morphologies and roughnesses with the oxygen flow ratio.
Keywords
NIO thin film; RF magnetron sputtering; NiO target; Preferred orientation;
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