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Author Kaneko, Tomoaki ♦ Ohno, Takahisa
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ CHEMICAL BONDS ♦ DISPERSIONS ♦ ELECTRONIC STRUCTURE ♦ GRAPHENE ♦ HAFNIUM OXIDES ♦ INTERFACES ♦ LAYERS ♦ STABILITY ♦ SURFACES
Abstract We investigated the electronic properties, stability, and transport of graphene under c-HfO{sub 2}(111) layers by performing first-principles calculations with special attention to the chemical bonding between graphene and HfO{sub 2} surfaces. When the interface of HfO{sub 2}/graphene is terminated by an O layer, the linear dispersion of graphene is preserved and the degradation of transport is suppressed. For other interface structures, HfO{sub 2} is tightly adsorbed on graphene and the transport is strictly limited. In terms of the stability of the interface structures, an O-terminated interface is preferable, which is achieved under an O-deficient condition.
ISSN 00036951
Educational Use Research
Learning Resource Type Article
Publisher Date 2016-08-22
Publisher Place United States
Journal Applied Physics Letters
Volume Number 109
Issue Number 8


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