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Binding Graphene Sheets Together Using Silicon: Graphene/Silicon Superlattice

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Author(s): Zhang Yong | Tsu Raphael

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 5;
Issue: 5;
Start page: 805;
Date: 2010;
Original page

Keywords: Graphene | Silicon | Superlattice | Density functional theory | Intercalated graphite | Dirac fermion | MBE | FET

ABSTRACT
Abstract We propose a superlattice consisting of graphene and monolayer thick Si sheets and investigate it using a first-principles density functional theory. The Si layer is found to not only strengthen the interlayer binding between the graphene sheets compared to that in graphite, but also inject electrons into graphene, yet without altering the most unique property of graphene: the Dirac fermion-like electronic structure. The superlattice approach represents a new direction for exploring basic science and applications of graphene-based materials.

Tango Jona
Tangokurs Rapperswil-Jona

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