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Journal of Chemical Physics / Volume 118 / Issue 2 / ARTICLES / Condensed Phase Dynamics, Structure, and Thermodynamics: Spectroscopy, Reactions, and Relaxation

J. Chem. Phys. 118, 706 (2003); http://dx.doi.org/10.1063/1.1527944 (5 pages)

Density inhomogeneities and electron mobility in supercritical xenon

Richard A. Holroyd1, Kengo Itoh2, and Masaru Nishikawa3

1Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973
2Department of Pure and Applied Science, University of Tokyo, Tokyo, 153-8902, Japan
3Faculty of Engineering, Kanagawa Institute of Technology, 1030 Shimo-Ogino, Astugi 243-0292, Japan

(Received 19 August 2002; accepted 16 October 2002)

The low-field mobility of electrons in supercritical Xe has been measured isothermally as a function of density above the critical temperature (289.7 K). At 293 K the mobility varies from a high of 890 cm2/V s at 9.2×1021 atoms/cm3 to a minimum value of 4.6 cm2/V s at a density of 3.5×1021 atoms/cm3, which is just below the critical density. The density dependence of the mobility is reasonably well predicted by the deformation potential model if the adiabatic compressibility is used to characterize the electron–medium interactions. Approximate agreement indicates that electrons are quasifree in supercritical xenon. © 2003 American Institute of Physics.

© 2003 American Institute of Physics

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KEYWORDS and PACS

Keywords

xenon, critical phenomena, density, electron mobility, compressibility

PACS

  • 72.90.+y

    Other topics in electronic transport in condensed matter (restricted to new topics in section 72)

  • 51.50.+v

    Electrical properties (ionization, breakdown, electron and ion mobility, etc.)

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1527944

PUBLICATION DATA

ISSN

0021-9606 (print)  
1089-7690 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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