Conjoined structures of carbon nanotubes and graphene nanoribbons

被引：8
|
作者：
Krasnenko, V. [1 ]
Boltrushko, V. [1 ]
Klopov, M. [2 ]
Hizhnyakov, V. [1 ]
机构：
[1] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia
[2] Tallinn Univ Technol, EE-19086 Tallinn, Estonia
来源：
PHYSICA SCRIPTA | 2014年 / 89卷 / 04期
关键词：
graphene nanoribbons; pseudo-Jahn-Teller effect; conjoined structures; INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS; STATE;
D O I：
10.1088/0031-8949/89/04/044008
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Hybrid materials built from conjoined structures of graphene nanoribbons (GNRs) and carbon nanotubes (CNTs) have important properties for novel applications. In this communication we have performed a numerical study of these structures and have found two types: (i) CNT and GNR structures formed by van der Waals forces with a distance close to 0.35 nm and (ii) CNT and GNR structures interconnected by short (0.17 nm) and strong chemical bonds. It appears that the latter bonds essentially perturb conjoined carbon C-6 rings. The reason for the perturbation is the pseudo-Jahn-Teller effect.
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页数：4
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