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Photoelectric Charging of Dust ParticlesLaboratory experiments have been performed on the photoelectric charging of dust particles which are either isolated or adjacent to a surface that is also a photoemitter. We find that zinc dust charges to a positive potential of a few volts when isolated in vacuum and that it charges to a negative potential of a few volts when passed by a photoemitting surface. The illumination is an arc lamp emitting wavelengths longer than 200 nm and the emitting surface is a zirconium foil.
Document ID
20000056882
Acquisition Source
Glenn Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Sickafoose, A. (Colorado Univ. Boulder, CO United States)
Colwell, J. (Colorado Univ. Boulder, CO United States)
Horanyi, M. (Colorado Univ. Boulder, CO United States)
Robertson, S. (Colorado Univ. Boulder, CO United States)
Walch, B. (University of Northern Colorado Greeley, CO United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 1999
Subject Category
Atomic And Molecular Physics
Meeting Information
Meeting: 2nd International Conference on the Physics of Dustry Plasmas
Location: Hakone
Country: Japan
Start Date: May 24, 1999
End Date: May 28, 1999
Funding Number(s)
PROJECT: RTOP 101-13-01
CONTRACT_GRANT: NAG3-2136
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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