Orientation of single-walled carbon nanotubes by uniaxial pressure

被引:40
作者
Bendiab, N [1 ]
Almairac, R
Sauvajol, JL
Rols, S
Elkaim, E
机构
[1] Univ Montpellier 2, Dynam Phases Condensees Grp, UMR 5581, CNRS, F-34095 Montpellier 5, France
[2] Ctr Univ Paris Sud, Lab Utilisat Rayonnement Electromagnet, F-91898 Orsay, France
关键词
D O I
10.1063/1.1534905
中图分类号
O59 [应用物理学];
学科分类号
摘要
This article presents a very simple process to align macroscopic quantities of single-wall carbon nanotubes (SWNT), the alignment being controlled by x-ray diffraction. A pellet of SWNT is obtained by pressing a raw nanotube powder up. to a pressure of 10 kbars. A detailed study of the most characteristic lines in the diffraction pattern reveals that the tubes have their axis aligned in the plane of the pellet within an out-of-plane spread angle of similar to4degrees. We also show that the intense small-angle signal-which is observed in all SWNT diffraction diagrams-can be assigned to both the form factor of the isolated nanotubes in the sample and the form factor of the bundles with various size and shape. (C) 2003 American Institute of Physics. [DOI: 10.1063/1.1534905].
引用
收藏
页码:1769 / 1773
页数:5
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