Water Trapping at the Graphene/Al
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概要
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We investigated the effects of trapped water at the graphene/Al<inf>2</inf>O<inf>3</inf>interface using density functional theory. We found that molecularly trapped water does not induce serious interbanding at the Dirac point. However, dissociatively trapped water induces serious interbanding at the Dirac point because of the band alignment induced by the local field of the hydroxyl groups. These findings indicate that trapped water at the graphene/Al<inf>2</inf>O<inf>3</inf>interface can have a significant effect on the electronic structure of graphene.
- 2013-06-25
著者
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Chung Yong-chae
Department Of Ceramic Engineering Hanyang University
-
Cho Sung
Department Of Anatomy Seoul National University College Of Medicine
-
Lee Sangho
Department of Electrical Engineering, Semyung University, Jechon, Chungbuk 390-711, Korea
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Cho Sung
Department of Materials Science and Engineering, Hanyang University, Seoul 133-791, Korea
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