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Journal Article Effects of Surface Treatment of Field Emitter Arrays on Electrical Characteristics of Active Matrix Cathode
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Authors
Choong-Heui Chung, Yoon-Ho Song, Chi-Sun Hwang, Seong-Deok Ahn, Bong-Chul Kim, Young-Rae Cho, Jin Ho Lee, Kyoung Ik Cho
Issue Date
2004-11
Citation
Thin Solid Films, v.460, no.1-2, pp.201-205
ISSN
0040-6090
Publisher
Elsevier
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1016/j.tsf.2004.01.046
Abstract
The effects of a wet chemical surface treatment of molybdenum-tip (Mo-tip) emitters on the electrical characteristics of an active matrix cathode composed of hydrogenated amorphous silicon thin film transistors and Mo-tip emitters are described. X-Ray photoelectron spectroscopy measurements showed that the surface treatment removed MoO3 from the surface of the e-beam evaporated Mo film. In addition, the surface roughness of the Mo film was increased as the result of the surface treatment. The surface-treated active matrix cathode showed stable emission characteristics and immunity from emitter failures during its operation. The response time of the active matrix cathode was decreased by the surface treatment of the Mo-tip emitters. A change in surface composition and surface roughness appear to be responsible for the enhancement of the active matrix cathode. © 2004 Elsevier B.V. All rights reserved.