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Electron Emission from Cold Cathodes

Published online by Cambridge University Press:  10 February 2011

R. W. Pryor,
Lihua Li and
H. H. Busta
R. W. Pryor
Affiliation:
Institute for Manufacturing Research, Wayne State University, Detroit, Michigan 48201 rpryr@hal.physics.wayne.edu
Lihua Li
Affiliation:
Institute for Manufacturing Research, Wayne State University, Detroit, Michigan 48201 rpryr@hal.physics.wayne.edu
H. H. Busta
Affiliation:
David Sarnoff Research Center, Princeton NJ, 08543 hbusta@sarnoff.com
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Abstract

New observations are presented on the emission of electrons from n-type polycrystalline diamond and n-type boron nitride (BN) cold cathode films, both as synthesized and after post-synthesis annealing. The films have been observed to show an increase in electron emission after annealing by one to several orders of magnitude, depending upon the type of emitter and the specific surface treatment. Observations from both plasma and laser annealing treatments will be presented.

The annealed BN cold cathodes have been observed to yield stable emission currents as high as 2 A cm−2 (∼4 mA total current) at fields as low as ∼30 V μm−1. This is believed to be the highest reported current density yet observed from a planar film cold cathode emitter.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 449: Symposium N – III-V Nitrides , 1996, 1127
Copyright
Copyright © Materials Research Society 1997

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References

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