Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3046785
Keywords
cathodes; field emitter arrays; II-VI semiconductors; magnesium compounds; nanocomposites; nanoparticles; nanotechnology; surface conductivity; triodes; wide band gap semiconductors; zinc compounds
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Funding
- National Key Basic Research Program 973 [2003CB314702, 2003CB314706]
- Chinese 111 Project [B07027]
- Program for New Century Excellent Talents in University [NCET-04-0473, NCET-05-0466]
- Science and Engineering Research Council [0421010010]
- Agency for Science, Technology and Research
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We report a surface-conducted field emitter made of a ZnO nanotetrapod and MgO nanoparticle composites with a high emission efficiency (similar to 100%) and current (3.77 mA at a gate voltage of 100 V and anode voltage of 1800 V). The fabrications of the triode structure with a 10x10pixel array and corresponding driving method have been proposed. The electron trajectories are simulated according to the structure. Individual pixel addressing can be achieved by a sequential scanning mode. Display of moving images employing this triode structure was demonstrated. The results are of significance to the development of ZnO based triode field emitters.
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