Energy distributions of field emitted electrons from carbon nanosheets: Manifestation of the quantum size effect

被引：12
|
作者：
Katkov, V. L. [1 ]
Osipov, V. A. [1 ]
机构：
[1] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Region, Russia
来源：
JETP LETTERS | 2009年 / 90卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
BAND-STRUCTURE; GRAPHITE; EMISSION; NANOTUBES;
D O I：
10.1134/S0021364009160115
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We emphasize the importance of experiments with voltage dependent field emission energy distribution analysis in carbon nanosheets. Our analysis shows the crucial influence of the band structure on the energy distribution of field emitted electrons in few-layer graphene. In addition to the main peak we found characteristic sub-peaks in the energy distribution. Their positions strongly depend on the number of layers and the interlayer interaction. The discovery of these peaks in field emission experiments from carbon nanosheets would be a clear manifestation of the quantum size effect in these new materials.
引用
收藏
页码：278 / 283
页数：6
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