Field emission from tetrahedral amorphous carbon

被引：295
|
作者：
Satyanarayana, BS
Hart, A
Milne, WI
Robertson, J
机构：
[1] Engineering Department, Cambridge University
来源：
APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 10期
关键词：
D O I：
10.1063/1.119915
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Field emission has been measured from a series of tetrahedrally bonded amorphous carbon (ta-C) films produced by the filtered cathodic vacuum arc. The threshold field and current densities achievable have been studied as a function of their sp(3) content and of nitrogen incorporation. Typical undoped ta-C films are found to have a threshold field of 10-20 V/mu m, decreasing with increasing sp(3) content, and optimally nitrogen doped films exhibit threshold fields as low as 3-5 V/mu m. (C) 1997 American Institute of Physics.
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收藏
页码：1430 / 1432
页数：3
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