Theoretical Study of the Electronic and Transport Properties of Lateral 2D-1D-2D Graphene-CNT-Graphene Structures

被引：2
|
作者：
Valeev, B. Yu [1 ,2 ]
Toksumakov, A. N. [1 ]
Kvashnin, D. G. [1 ,2 ]
Chernozatonskii, L. A. [2 ,3 ]
机构：
[1] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Region, Russia
[2] Russian Acad Sci, Emanuel Inst Biochem Phys, Moscow 119334, Russia
[3] Plekhanov Russian Univ Econ, Sci Sch Chem & Technol Polymer Mat, Moscow 117997, Russia
来源：
JETP LETTERS | 2022年 / 115卷 / 02期
关键词：
ATOMIC-STRUCTURE; CARBON; DYNAMICS;
D O I：
10.1134/S0021364022020114
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The electronic and transport properties of new hybrid 2D-1D-2D structures of carbon atoms, which are graphene sheets continuously connected through a fragment of a single-layer carbon nanotube, frequently observed experimentally, are theoretically studied. The evolution of the electronic properties of such systems with "zigzag" carbon nanotubes of various diameters with chirality indices (14, 0), (15, 0), (16, 0), and (18, 0) is studied using the tight coupling method within electron density functional theory. The calculation of the transmission coefficient demonstrates a strong nonlinearity in the behavior of the transport properties of these structures near the Fermi energy as a function of the diameter of carbon nanotubes, which explains discrepancies in the previously obtained experimental data.
引用
收藏
页码：93 / 97
页数：5
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