Structural anisotropy of magnetically aligned single wall carbon nanotube films

被引：193
|
作者：
Smith, BW [1 ]
Benes, Z
Luzzi, DE
Fischer, JE
Walters, DA
Casavant, MJ
Schmidt, J
Smalley, RE
机构：
[1] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
[2] Univ Penn, Res Struct Matter Lab, Philadelphia, PA 19104 USA
[3] Rice Univ, Ctr Nanoscale Sci & Technol, Houston, TX 77259 USA
来源：
APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 05期
关键词：
D O I：
10.1063/1.127078
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Thick films of aligned single wall carbon nanotubes and ropes have been produced by filtration/deposition from suspension in strong magnetic fields. We measured mosaic distributions of rope orientations in the film plane. for samples of different thicknesses. For an similar to 1 mu m film the full width at half maximum (FWHM) derived from electron diffraction is 25 degrees-28 degrees. The FWHM of a thicker film (similar to 7 mu m) measured by x-ray diffraction is slightly broader, 35 +/- 3 degrees. Aligned films are denser than ordinary filter-deposited ones, and much denser than as-grown material. Optimization of the process is expected to yield smaller FWHMs and higher densities, (C) 2000 American Institute of Physics. [S0003-6951(00)05131-7].
引用
收藏
页码：663 / 665
页数：3
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