Pressure dependence and current stability of field emission from carbon nanotubes on porous alumina

Technical Digest of the 17th International Vacuum Nanoelectronics Conference (IEEE Cat. No.04TH8737) Pub Date : 2004-07-11 DOI:10.1109/IVNC.2004.1354967

D. Lysenkov, G. Muller, J. Engstler, J. J. Schneider

引用次数: 1

Abstract

Carbon nanotubes are synthesized by CVD using source precursors of metallocene related structures both on commercial and home made electrochemically etched porous alumina membranes of different thickness (60-200 /spl mu/m) and pore diameter (50-200 nm). AFM, SEM, EDX and TEM investigations showed that the tubular structures formed within the pores of the alumina membranes are composed of pyrolytic carbon in which nanoscaled metallic particles are incorporated. Long-term processing effects in the pressure range resulted in both irreversible degradation and reversible activation of some emitters.

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多孔氧化铝上碳纳米管场发射的压力依赖性和电流稳定性

利用茂金属相关结构的源前驱体，在不同厚度(60-200 /spl μ m)和孔径(50-200 nm)的电化学蚀刻多孔氧化铝膜上，采用气相沉积法制备了碳纳米管。原子力显微镜(AFM)、扫描电镜(SEM)、电子能谱(EDX)和透射电镜(TEM)研究表明，氧化铝膜孔内形成的管状结构是由热解碳组成的，其中含有纳米级金属颗粒。在压力范围内的长期处理效应导致一些发射器的不可逆降解和可逆活化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Technical Digest of the 17th International Vacuum Nanoelectronics Conference (IEEE Cat. No.04TH8737)

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