Periodic deviations of the field emission current of a carbon nanotube from the Fowler-Nordheim law

被引：0
|
作者：
V. M. Lobanov
E. P. Sheshin
机构：
[1] Bashkir State Agricultural University,
[2] Moscow Institute of Physics and Technology (Technical University),undefined
来源：
Technical Physics Letters | 2007年 / 33卷
关键词：
79.60.Jv;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Carbon nanotubes (CNTs) have been studied using a field electron microscope (electron projector) and a dispersive electron energy analyzer. In the range of emission voltages studied, the field-emitted electron energy distributions showed periodic transformations. The corresponding probe current-voltage characteristics exhibited periodic deviations (reaching 20 and 50% for the two CNT samples studied) from the Fowler-Nordheim law toward lower values of the current. The observed phenomenon is explained in terms of the interference model of thermoelectron emission at high voltages.
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页码：365 / 367
页数：2
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