ELECTRON FIELD EMISSION FROM MULTIWALLED NANOTUBES

机译：多壁纳米管的电子场发射

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Bulk films of aligned multiwalled nanotubes (MWNT) produced by both thermal CVD and plasma CVD have been investigated for their field emission properties. The turn-on and threshold fields are significantly lower for the thermal CVD films but the emission is less stable. Light emission is seen for high current densities that is related to ohmic heating of the tubes. This is more important for the thermal CVD samples. Individual MWNT have been studied using a combination of STM/TEM. Evidence for ohmic heating is again seen and the differences between the various investigated samples can be explained with a simple 1D heat equation model.

机译：已经研究了通过热CVD和等离子CVD产生的取向多壁纳米管（MWNT）的体膜的场发射特性。对于热CVD膜，开启和阈值场明显较低，但是发射不稳定。对于高电流密度，可以看到发光，这与管的欧姆加热有关。这对于热CVD样品更为重要。单独的MWNT已使用STM / TEM组合进行了研究。再次可以看到欧姆加热的证据，可以使用简单的一维热方程模型来解释各种研究样品之间的差异。

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《Fullerenes and Nanotubes: The Building Blocks of Next Generation Nanodevices: Fullorenes》|2003年|P.340-345|共6页
会议地点 Paris(FR);Paris(FR);Paris(FR)
作者
M. Sveningsson; R. Morjan; O. Nerushev; K. Svensson; E. Olsson; E.E.B. Campbell;
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作者单位

School of Physics and Engineering Physics, Goeteborg University and Chalmers University of Technology, SE-41296 Goeteborg, Sweden;

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原文格式 PDF
正文语种 eng
中图分类无机高分子化合物（高聚物）;
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ELECTRON FIELD EMISSION FROM MULTIWALLED NANOTUBES

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