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Carbon nanotubes (CNTs) have several features such as high aspect ratio, chemical stability, and mechanical strength. Because of these features, CNTs are expected to be a material for emitters of field emission displays (FEDs) or other field emission products. In this study, relationships between the field emission characteristics of printed CNT cathodes and the diameters of CNTs were investigated.
In this study, the structural changes in the electron beam-deposited Pt field emitter under field emission and field evaporation were investigated by in situ transmission-electron-microscope (TEM) observation. The structure of the Pt field emitter was found to be unchanged under field emission with an emission current of less than 480 nA. On the contrary, the top of the Pt field emitter was found...
A Pt field emitter with two adjacent emission sites was fabricated by electron-beam induced deposition (EBID). The interference of electron waves in field emission from artificially fabricated two different points was observed for the first time. The observed interference fringes were well reproduced by the Young's interference. These results draw a possibility of the new devices based on the interference...
In this study, laser irradiation in addition to plasma treatment is introduced for the purpose of increase of field emission (FE) characteristics, emission uniformity and emission site density (ESD) of multi-walled carbon nanotube cathode
Effects of amorphous carbon (a-C) thin film coating over carbon nanotubes (CNTs) on the field emission characteristics have been studied. Large-area surface-wave plasma (SWP) device was used both for growth of multi-wall CNTs on Ni-evaporated Si substrate and for deposition of a-C thin layer over CNTs. Field emission characteristics of the a-C film-coated CNTs prepared with different CVD durations...
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