Characterization of phosphorus-doped and boron-doped diamond-like carbon emitter arrays

被引:19
|
作者
Tsai, CL [1 ]
Chen, CF [1 ]
Lin, CL [1 ]
机构
[1] Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu 30050, Taiwan
关键词
D O I
10.1063/1.1408587
中图分类号
O59 [应用物理学];
学科分类号
摘要
We synthesized phosphorus-doped and boron-doped emitters by using trimethylphosphite P(OCH3)(3) and trimethylborate B(OCH3)(3) as doping sources in a microwave plasma chemical vapor deposition system. Based on our experimental results from scanning electron microscopy and Raman spectra, there is much difference among undoped, phosphorus-doped, and boron-doped diamondlike material. In addition, doping both phosphorus and boron can enhance electric properties by reducing the turn-on voltage and can increase the emission current density. The turn-on voltages of undoped, boron-doped, and phosphorus-doped emitters in triode-type field emitter arrays are 15, 8, and 5 V, respectively. The emission currents of boron-doped and phosphorus-doped emitters are about 20 and 80 times larger than the undoped. (C) 2001 American Institute of Physics.
引用
收藏
页码:4847 / 4851
页数:5
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