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Charged impurity scattering in bilayer-graphene double layers

2020/05/02 by Dang Khanh Linh, Nguyen Quoc Khanh, Nguyễn Quốc Khánh
Chemistry · Materials Science · Physics and Astronomy · #Bilayer #Bilayer graphene #Carbon Nanotubes in Composites #Chemistry #Condensed matter physics #Graphene #Graphene research and applications #Impurity #Materials science #Membrane #Nanotechnology #Optics #Physics #Quantum mechanics #Scattering #Silicon Nanostructures and Photoluminescence #cond-mat.mes-hall

paper · pdf · doi:10.1142/s0217979220502549

published as International Journal of Modern Physics B 34, 2050254 (2020)

arxiv created 2020/05/02 · openalex publication_date 2020/10/06 · arxiv updated 2021/03/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We consider a double-layer system made of two parallel bilayer graphene sheets separated by a dielectric medium. We calculate the finite-temperature electrical conductivity of the first layer due to charged impurities located in two layers. We study the effects of temperature, interlayer distance, dielectric constants and impurity concentration, carrier concentration on the electrical conductivity. We show the importance of charged impurities located in layer II in determining electrical conductivity of the first layer for small interlayer distance. The results in this paper give us more understanding about the long-range charged impurity scattering in bilayer graphene under the effect of the second one.

Citations