Low-energy Raman-active phonons of multiwalled carbon nanotubes

被引：55

作者：

Jantoljak, H

Salvetat, JP

Forro, L

Thomsen, C

机构：

[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany

[2] Ecole Polytech Fed Lausanne, Inst Gen Atom, CH-1015 Lausanne, Switzerland

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1998年 / 67卷 / 01期

关键词：

D O I：

10.1007/s003390050746

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We performed spatially resolved measurements on multiwalled carbon nanotubes. The first-order spectra do not reveal any characteristic, fingerprint-like signal as it is known from singlewalled nanotubes. Instead, we observed at special positions on the sample Raman-active vibrational modes in the low-energy region, which, as we show, differ from those of singlewalled nanotubes and graphite. Possible explanations for the origin of these modes will be given.

引用

页码：113 / 116

页数：4

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