Field emission from silicon and molybdenum tips coated with diamond powder by dielectrophoresis
- 29 January 1996
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 68 (5) , 720-722
- https://doi.org/10.1063/1.116585
Abstract
Thin diamond layers have been formed on molybdenum and single-crystal silicon field emitters using a dielectrophoresis coating method from a suspension of diamond powder in a nonconducting fluid. Transmission and scanning electron microscopy observation revealed a significant amount of diamond on the tips. The average thickness of the deposited diamond layer depended on the applied bias and the immersion time. Field emission from these diamond-coated emitters exhibited significant enhancement compared to the pure emitters.Keywords
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