Low energy plasmon peaks in the electron energy loss spectra of single-wall carbon nanotubes

被引：16

作者：

Bose, SM ^{[1
]}

机构：

[1] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

来源：

PHYSICS LETTERS A | 2001年 / 289卷 / 4-5期

关键词：

carbon nanotubes; collective excitations; plasmons; electron energy loss;

D O I：

10.1016/S0375-9601(01)00585-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent measurement of the momentum-dependent electron energy loss spectra (EELS) of single-wall carbon nanotubes revealed several low energy peaks in addition to the pi plasmon pi + sigma plasmon peaks in the ranges of 5-7 eV and 21-24 eV, respectively. In the present Letter it is shown that the low energy peaks can be attributed to the plasmons associated with the collective azimuthal motion of the electrons on the surface of the nanotubes. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：255 / 256

页数：2

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