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
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.
引用
收藏
页码:1430 / 1432
页数:3
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