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Water Trapping at the Graphene/Al2O3 Interface

Title
Water Trapping at the Graphene/Al2O3 Interface
Other Titles
Al2O3 Interface
Author
정용재
Keywords
SINGLE; ALPHA-AL2O3(0001); TRANSISTORS; DEPOSITION; SURFACE; ENERGY; VAPOR; FILMS
Issue Date
2013-06
Publisher
IOP PUBLISHING LTD
Citation
Japanese journal of applied physics, 2013, 52 (6), p.UNSP 06GD09
Abstract
We investigated the effects of trapped water at the graphene/Al2O3 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/Al2O3 interface can have a significant effect on the electronic structure of graphene. (c) 2013 The Japan Society of Applied Physics
URI
http://iopscience.iop.org/article/10.7567/JJAP.52.06GD09/metahttp://hdl.handle.net/20.500.11754/45473
ISSN
0021-4922
DOI
10.7567/JJAP.52.06GD09
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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