New opportunities for plasma science in nonequilibrium low-temperature plasmas confined to microcavities: There's plenty of room at the bottom

J. G. Eden, S. J. Park

Research output: Contribution to journalArticle

Abstract

Nonequilibrium, low-temperature plasmas have, in just the past few years, been confined to microcavities with characteristic dimensions (d) as small as 10 μm. Plasma science has thus entered a new realm of parameter space in which d is on the order of tens of debye lengths and the plasma frequency ωp 2π is approaching 1 THz. In this previously unexplored region, plasmas display intriguing characteristics, including the loss of quasineutrality and the ability to operate continuously at atmospheric pressure and beyond. This article will briefly describe the fabrication and behavior of microcavity plasma devices realized by the adaptation of microfabrication techniques, and device structures inspired by nanotechnology. Exciting opportunities for plasma science are within reach and a few of the implications of driving d to 1 μm and into the nanometer domain are discussed.

Original languageEnglish (US)
Article number057101
JournalPhysics of Plasmas
Volume13
Issue number5
DOIs
StatePublished - May 1 2006

ASJC Scopus subject areas

  • Condensed Matter Physics

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