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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Charge carrier density in Li-intercalated graphene
Chemical Physics Letters, Volume 534, Year 2012
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Description
The electronic structures of bulk C 6Li, Li-intercalated free-standing bilayer graphene, and Li-intercalated bilayer and trilayer graphene on SiC(0 0 0 1) are studied using density functional theory. Our estimate of Young's modulus suggests that Li-intercalation increases the intrinsic stiffness. For decreasing Li-C interaction, the Dirac point shifts to the Fermi level and the associated band splitting vanishes. For Li-intercalated bilayer graphene on SiC(0 0 0 1) the splitting at the Dirac point is tiny. It is also very small at the two Dirac points of Li-intercalated trilayer graphene on SiC(0 0 0 1). For all the systems under study, a large enhancement of the charge carrier density is achieved by Li intercalation. © 2012 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Kaloni, Thaneshwor P.
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Cheng, Yingchun
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Upadhyay-Kahaly, Mousumi
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Schwingenschlögl, Udo Erich
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Statistics
Citations: 38
Authors: 4
Affiliations: 1
Identifiers
Doi:
10.1016/j.cplett.2012.03.005
ISSN:
00092614