钨尖上单个多壁碳纳米管的场致发射

2006 19th International Vacuum Nanoelectronics Conference Pub Date : 2006-07-01 DOI:10.1109/IVNC.2006.335443

X. Bai, Mingsheng Wang, Jie Yu, Zhaoxiang Zhang, Gengmin Zhang, D. Guo, Zengquan Xue

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引用次数: 0

摘要

在透射电子显微镜下，将多壁碳纳米管(MWCNT)组装在钨尖上。然后将其转移到场发射显微镜(FEM)上进行场发射特性的测量。经过老化处理，使MWCNT的吸附去除，末端钝化，形成稳定的场发射电流和场发射模式。最终得到的亮度降低了107-108(A/m2middotsrmiddotV)

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Field Eemission from an Individual Multiwalled Carbon Nanotube on a Tungsten Tip

A multiwalled carbon nanotube (MWCNT) was assembled onto a tungsten tip in a transmission electron microscope (TEM). Then it was transferred into a field-emission microscope (FEM) for the measurement of field emission properties. Stable field emission current and pattern were established after an aging process, which ridded the MWCNT of adsorption and blunted its end. A reduced brightness of 107-108(A/m2middotsrmiddotV) was eventually obtained

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2006 19th International Vacuum Nanoelectronics Conference

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