期刊
PHYSICS LETTERS A
卷 381, 期 44, 页码 3779-3784出版社
ELSEVIER
DOI: 10.1016/j.physleta.2017.09.047
关键词
Graphene; Plasmon; Collective excitations
资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [103.01-2017.23]
We investigate the plasmon dispersion relation and damping rate of collective excitations in a double layer system consisting of bilayer graphene and GaAs quantum well, separated by a distance d, at zero temperature with no interlayer tunneling. We use the random-phase-approximation dielectric function and take into account the nonhomogeneity of the dielectric background of the system. We show that the plasmon frequencies and damping rates depend considerably on interlayer correlation parameters, electron densities and dielectric constants of the contacting media. (C) 2017 Elsevier B.V. All rights reserved.
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