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【期刊论文】Field emission of vertically-aligned carbon nanotube arrays grown on porous silicon substrate
雷威
,-0001,():
-1年11月30日
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【期刊论文】Study of the emission performance of carbon nanotubes
雷威, Lei Wei, a) Wang Baoping, Tong Linsu, Yin Hanchun, and Tu Yan Chang Chunzhu
J. Vac. Sci. Technol. B, 2000, 18(6):1-6,-0001,():
-1年11月30日
The carbon nanotube has good field emission properties, so it has been used as the electron source on the field emission display panel. To obtain a high emission current, the electric field at the tip of the nanotube must be large enough. This article studies the variation of electric field with different types of nanotubes. The emission current of the nanotube is also calculated for various geometrical parameters of nanotubes. From the simulation results, the influence of the geometrical parameters on the emission performance of nanotubes is studied.
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【期刊论文】Analysis of the emission performance of field emitter with Laplace interpolation method
雷威
,-0001,():
-1年11月30日
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55浏览
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【期刊论文】A novel gate structure in large diagonal size printable CNT-FED
雷威, Qilong Wang, Wei Lei*, Xiaobing Zhang, Baoping Wang, Min Liu, Xuedong Zhou, Yunsong Di, Xiaoyan Ma
,-0001,():
-1年11月30日
In the normal gate CNT-FED, the gate electrode is used to modulate and address the electron beam. Some electrons may bombard on the gate electrode, thus the luminant efficiency of CNT-FED decreases. This paper proposes a new gate structure, which is the metal mesh with cone funnels. MgO film and MgF2 film are vaporized on the surface of the mesh and the funnels. When the primary electrons bombard on the gate electrode with initial energy, the secondary electrons and backscatters are generated. As results, more electrons can pass through the gate electrode and land on the anode. Consequently, the brightness of the novel triode structure CNT-FED can increase obviously. In the paper, we show the results of numerical simulation of the secondary electron emission process with Monte Carlo method. Some CNT-FED devices with the new type of gate structure are fabricated. The surface of the gate electrode is coated with MgO, MgF2 and SiO2 film, respectively. The results of emission experiments are also shown in this paper.
CNT-FED, Secondary electron emission, MgO, Monte Carlo method
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