Modification of a nonlocal electron energy distribution in a bounded plasma

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Modification of a nonlocal electron energy distribution in a bounded plasma. / Dejoseph, C. A.; Demidov, V. I.; Kudryavtsev, A. A.

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 72, No. 3, 036410, 01.09.2005.

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

Author

Dejoseph, C. A. ; Demidov, V. I. ; Kudryavtsev, A. A. / Modification of a nonlocal electron energy distribution in a bounded plasma. In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 2005 ; Vol. 72, No. 3.

BibTeX

@article{9fa9ec8560f84beaa9857b46877c6334,

title = "Modification of a nonlocal electron energy distribution in a bounded plasma",

abstract = "It is demonstrated experimentally, in a pulsed discharge, that it is possible to modify the {"}tail{"} of a nonlocal electron energy distribution (EED) without significantly changing the electron density and temperature (mean energy). The EED tail is modified by changing the potential of a small portion of the plasma boundary and/or by changing the volume creation rate of electrons with energies in the range of the tail of the EED. The discussed effects are a direct result of the nonlocal nature of the EED and have applications to a number of basic research issues associated with discharges under nonequilibrium conditions. As an example, we discuss the possibility of utilizing these methods to measure electron impact excitation cross sections from the metastable states of atoms, which are difficult to measure by other means. The experiments have been conducted in an argon and argon-nitrogen pulsed rf inductively coupled plasma discharge.",

author = "Dejoseph, {C. A.} and Demidov, {V. I.} and Kudryavtsev, {A. A.}",

year = "2005",

month = sep,

day = "1",

doi = "10.1103/PhysRevE.72.036410",

language = "English",

volume = "72",

journal = "Physical Review E",

issn = "1539-3755",

publisher = "American Physical Society",

number = "3",

}

RIS

TY - JOUR

T1 - Modification of a nonlocal electron energy distribution in a bounded plasma

AU - Dejoseph, C. A.

AU - Demidov, V. I.

AU - Kudryavtsev, A. A.

PY - 2005/9/1

Y1 - 2005/9/1

N2 - It is demonstrated experimentally, in a pulsed discharge, that it is possible to modify the "tail" of a nonlocal electron energy distribution (EED) without significantly changing the electron density and temperature (mean energy). The EED tail is modified by changing the potential of a small portion of the plasma boundary and/or by changing the volume creation rate of electrons with energies in the range of the tail of the EED. The discussed effects are a direct result of the nonlocal nature of the EED and have applications to a number of basic research issues associated with discharges under nonequilibrium conditions. As an example, we discuss the possibility of utilizing these methods to measure electron impact excitation cross sections from the metastable states of atoms, which are difficult to measure by other means. The experiments have been conducted in an argon and argon-nitrogen pulsed rf inductively coupled plasma discharge.

AB - It is demonstrated experimentally, in a pulsed discharge, that it is possible to modify the "tail" of a nonlocal electron energy distribution (EED) without significantly changing the electron density and temperature (mean energy). The EED tail is modified by changing the potential of a small portion of the plasma boundary and/or by changing the volume creation rate of electrons with energies in the range of the tail of the EED. The discussed effects are a direct result of the nonlocal nature of the EED and have applications to a number of basic research issues associated with discharges under nonequilibrium conditions. As an example, we discuss the possibility of utilizing these methods to measure electron impact excitation cross sections from the metastable states of atoms, which are difficult to measure by other means. The experiments have been conducted in an argon and argon-nitrogen pulsed rf inductively coupled plasma discharge.

UR - http://www.scopus.com/inward/record.url?scp=28844450340&partnerID=8YFLogxK

U2 - 10.1103/PhysRevE.72.036410

DO - 10.1103/PhysRevE.72.036410

M3 - Article

AN - SCOPUS:28844450340

VL - 72

JO - Physical Review E

JF - Physical Review E

SN - 1539-3755

IS - 3

M1 - 036410

ER -

ID: 52198616