Tuning the electronic properties of corrugated graphene: Confinement, curvature, and band-gap opening

被引:57
作者
Atanasov, Victor [1 ]
Saxena, Avadh [2 ,3 ]
机构
[1] Inst Telecomunicacoes, SQIG, P-1049001 Lisbon, Portugal
[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[3] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA
关键词
QUANTUM-MECHANICS;
D O I
10.1103/PhysRevB.81.205409
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
It is shown that for monolayer graphene electrons are confined on a perfect two-dimensional surface. The implications for the electronic properties of corrugated graphene are discussed in view of a derivation of the constrained relativistic dynamics for the massless carriers in two dimensions in accord with the Heisenberg uncertainty principle. Surface curvature is related to a series of phenomena with practical applications such as curvature induced p-n junctions, band-gap opening, and decoherence. We also establish a bending free energy by treating graphene as a soft electronic membrane.
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页数:8
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