Observation of individual particles and Coulombic solids in a microdischarge

P. C. John; D. J. Wheeler; J. W. Frame; J. G. Eden

doi:10.1109/27.763027

Observation of individual particles and Coulombic solids in a microdischarge

P. C. John, D. J. Wheeler, J. W. Frame, J. G. Eden

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Spherical particles approx. 10-35 μm in diameter are intentionally introduced into a cylindrical microdischarge device fabricated in Al or Si. Having a diameter of 400 μm, this device is viewed along its axis with a microscope and charge-coupled device camera. Individual particles suspended in discharges in Ne are readily observable and form stable spatial patterns (in the plane transverse to the microdischarge axis) determined by the interplay of electrostatic and ion drag forces. Microdischarges may well provide an ideal testbed for exploring the application of well-characterized particles as in situ probes of plasmas.

Original language	English (US)
Pages (from-to)	48-49
Number of pages	2
Journal	IEEE Transactions on Plasma Science
Volume	27
Issue number	1
DOIs	https://doi.org/10.1109/27.763027
State	Published - Jan 1 1999

ASJC Scopus subject areas

Nuclear and High Energy Physics
Condensed Matter Physics

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