Family behaviour of Raman-active phonon frequencies of single-wall nanotubes of C, BN and BC3

被引：11

作者：

Wang, Hui ^{[1
,2
]}

Cao, Xuewei ^{[1
]}

Feng, Min ^{[1
]}

Wang, Yufang ^{[1
]}

Jin, Qinghua ^{[1
]}

Ding, Datong ^{[1
]}

Lan, Guoxiang ^{[1
]}

机构：

[1] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China

[2] Henan Univ Sci & Technol, Sch Sci, Luoyang 471003, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2009年 / 71卷 / 05期

关键词：

Single-wall nanotubes; Phonon; Raman-active mode; BORON-NITRIDE NANOTUBES; CARBON NANOTUBES; VIBRATIONAL PROPERTIES; MODES;

D O I：

10.1016/j.saa.2008.07.032

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Using a symmetry-based force-constant model of the lattice dynamics, the Raman-active phonon frequencies are calculated for almost 200 single-wall nanotubes of C, BN and BC3. The n + m = constant family behaviour is found in most branches and these three kinds of nanotubes display different diameter and chirality dependence in different branches. In these branches, vibration modes that C, BN and BC3 nanotubes have in common are presented in detail. For a particular family. the phonon frequency at F point changes regularly with the chiral angle. Therefore, we may distinguish among single-wall nanotubes with similar diameter and different chiral angle. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1932 / 1937

页数：6

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