Measurement of chiral-dependent magnetic anisotropy in carbon nanotubes

被引：19
|
作者：
Torrens, Omar N.
Milkie, Daniel E.
Ban, Han Y.
Zheng, Ming
Onoa, G. Bibiana
Gierke, Timothy D.
Kikkawa, James M. [1 ]
机构：
[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[2] DuPont Cent Res & Dev, Wilmington, DE 19880 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 02期
关键词：
D O I：
10.1021/ja066719+
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The magnetic properties of small diameter semiconducting single-walled carbon nanotubes have been recently predicted to depend sensitively on structural details that can be ignored for larger diameters. We confirm this dependence by directly measuring the magnetic alignment of several species of carbon nanotubes in aqueous suspension using polarized resonant photoluminescence. These data show evidence for asymmetry between nanotube chirality subclasses and are used to construct a model predicting nanotube magnetic responses for arbitrary semiconducting chirality.
引用
收藏
页码：252 / 253
页数：2
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