Microplasmas, an emerging field of low-temperature plasma science and technology

R. Foest, M. Schmidt, K. Becker

Research output: Contribution to journalArticle

Abstract

Spatially confining atmospheric pressure, non-equilibrium plasmas to dimensions of 1 mm or less is a promising approach to the generation and maintenance of stable glow discharges at atmospheric pressure. Such microdischarges or microplasmas represent systems with new and fascinating challenges for plasma science such as the possible breakdown of "pd scaling" and the increasing dominance of boundary-dominated phenomena. Pulsed excitation on a sub-microsecond time scale results in microplasmas with significant shifts in both the temperatures and energy distribution functions of ions and electrons. This allows for the selective production of chemically reactive species and opens the door to a wide range of new applications of microplasmas in areas such as environmental remediation, biology and biomedicine, intense light sources in the ultraviolet and vacuum ultraviolet, and gas and surface analysis - to name just a few. This topical review addresses some of the scientific challenges and technological opportunities afforded by microplasmas.

Original languageEnglish (US)
Pages (from-to)87-102
Number of pages16
JournalInternational Journal of Mass Spectrometry
Volume248
Issue number3
DOIs
StatePublished - Feb 15 2006

Fingerprint

microplasmas
cold plasmas
Atmospheric pressure
emerging
Plasmas
Gas fuel analysis
Glow discharges
Distribution functions
Light sources
atmospheric pressure
Vacuum
Ions
nonequilibrium plasmas
Temperature
gas analysis
Electrons
biology
glow discharges
confining
maintenance

Keywords

  • Gas discharge
  • Hollow cathode
  • Microplasma
  • Plasma
  • Weakly ionized gas

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy

Cite this

Microplasmas, an emerging field of low-temperature plasma science and technology. / Foest, R.; Schmidt, M.; Becker, K.

In: International Journal of Mass Spectrometry, Vol. 248, No. 3, 15.02.2006, p. 87-102.

Research output: Contribution to journalArticle

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