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.

引用

页数：4

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