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Electric fields in a sheath near a metal–dielectric interface

Appl. Phys. Lett. 85, 3393 (2004); doi:10.1063/1.1766075

Issue Date: 18 October 2004

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E. V. Barnat and G. A. Hebner
Sandia National Laboratories, Albuquerque, New Mexico 87185-1423
Spatially resolved electric fields in the sheath region near a metal–dielectric junction were measured in a radio-frequency-driven argon plasma. The fields were determined by observing the Stark shifted transitions to the 13d[3/2]1 Rydberg state by laser-induced fluorescence-dip spectroscopy. Calibration of the Stark shifts for the 13d[3/2]1 Rydberg state were experimentally obtained in a separate apparatus. Maps of the electric fields illustrate that the structure of the sheath formed around the junction depended on both the surface material and on the configuration of the surface. ©2004 American Institute of Physics
History: Received 24 February 2004; accepted 4 May 2004
Permalink: http://link.aip.org/link/?APPLAB/85/3393/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.40.Kh
    Plasma sheaths
  • 52.70.Kz
    Optical (ultraviolet, visible, infrared) plasma diagnostic measurements
  • 52.25.Os
    Emission, absorption, and scattering of electromagnetic radiation from plasmas
  • 52.40.Hf
    Plasma–material interactions; boundary layer effects
  • 32.70.Jz
    Atomic line shapes, widths, and shifts
  • 32.60.+i
    Zeeman and Stark effects in atoms
  • YEAR: 2004

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (20)
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