Field emission from individual B-C-N nanotube rope

被引：39
作者：
Dorozhkin, P
Golberg, D
Bando, Y
Dong, ZC
机构：
[1] Natl Inst Mat Sci, Nanomat Lab, Tsukuba, Ibaraki 3050044, Japan
[2] Russian Acad Sci, Inst Solid State Phys, Lab Nonequilibrium Elect Proc, Chernogolovka 142432, Russia
来源：
APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 06期
关键词：
D O I：
10.1063/1.1497194
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The field-emission characteristics of individual ropes made of B-C-N nanotubes were measured in situ in a low-energy electron point source microscope. The tungsten field emission tip of the microscope was used as a movable electrode, approaching the rope, and acting as an anode during field-emission measurements. The atomic structure and chemical composition of the ropes were analyzed by high-resolution transmission electron microscopy and electron energy-loss spectroscopy. The tubes assembled within the ropes typically revealed open-tip ends, a small number of layers and zigzag chirality. We found that the field-emission properties of the B-C-N nanotube ropes are competitive with conventional C nanotubes, with the expected additional benefit that the B-C-N ropes exhibit higher environmental stability. (C) 2002 American Institute of Physics.
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收藏
页码：1083 / 1085
页数：3
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