skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Characterizing the dominant ions in low-temperature argon plasmas in the range of 1–800 Torr

Abstract

The dominant ions in low-temperature rare gas plasmas can be either molecular ions or atomic ions depending on the discharge regime. Here, the dominant ions in low-temperature argon plasmas are characterized in a wide range of gas pressure (1-800 Torr). The channels for creation of molecular ions include atom assisted association, dissociative recombination, dissociation by atom impact (DAI), and dissociation by electron impact (DEI). The latter two were previously less often considered. It is found that the DEI reaction has a significant impact on the ion fractions, while the effect of the DAI reaction is much less important in the whole investigated gas pressure regime. As the gas pressure increases from 1 to 800 Torr, the atomic ion fraction drops rapidly in conjunction with an increase of the molecular ion fraction. This phenomenon confirms that in low-temperature argon plasmas the dominant ion will be the atomic ion in the low pressure regime but the molecular ion in the high pressure regime. The impact of power density is also investigated in combination with the DEI reaction. The results show that both the DEI reaction and the power density serve to delay the transition trend of the ion fraction, shifting the dominancemore » of molecular ions to a higher pressure.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [1]
  1. Michigan State Univ., East Lansing, MI (United States). Dept. of Computational Mathematics, Science and Engineering; Michigan State Univ., East Lansing, MI (United States). Dept. of Electrical and Computer Engineering
  2. Michigan State Univ., East Lansing, MI (United States). Dept. of Computational Mathematics, Science and Engineering
  3. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Electrical Engineering and Computer Science
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1540166
Alternate Identifier(s):
OSTI ID: 1424531
Grant/Contract Number:  
SC0001939
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 3; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; physics

Citation Formats

Fu, Yangyang, Krek, Janez, Parsey, Guy M., and Verboncoeur, John P. Characterizing the dominant ions in low-temperature argon plasmas in the range of 1–800 Torr. United States: N. p., 2018. Web. doi:10.1063/1.5020097.
Fu, Yangyang, Krek, Janez, Parsey, Guy M., & Verboncoeur, John P. Characterizing the dominant ions in low-temperature argon plasmas in the range of 1–800 Torr. United States. https://doi.org/10.1063/1.5020097
Fu, Yangyang, Krek, Janez, Parsey, Guy M., and Verboncoeur, John P. 2018. "Characterizing the dominant ions in low-temperature argon plasmas in the range of 1–800 Torr". United States. https://doi.org/10.1063/1.5020097. https://www.osti.gov/servlets/purl/1540166.
@article{osti_1540166,
title = {Characterizing the dominant ions in low-temperature argon plasmas in the range of 1–800 Torr},
author = {Fu, Yangyang and Krek, Janez and Parsey, Guy M. and Verboncoeur, John P.},
abstractNote = {The dominant ions in low-temperature rare gas plasmas can be either molecular ions or atomic ions depending on the discharge regime. Here, the dominant ions in low-temperature argon plasmas are characterized in a wide range of gas pressure (1-800 Torr). The channels for creation of molecular ions include atom assisted association, dissociative recombination, dissociation by atom impact (DAI), and dissociation by electron impact (DEI). The latter two were previously less often considered. It is found that the DEI reaction has a significant impact on the ion fractions, while the effect of the DAI reaction is much less important in the whole investigated gas pressure regime. As the gas pressure increases from 1 to 800 Torr, the atomic ion fraction drops rapidly in conjunction with an increase of the molecular ion fraction. This phenomenon confirms that in low-temperature argon plasmas the dominant ion will be the atomic ion in the low pressure regime but the molecular ion in the high pressure regime. The impact of power density is also investigated in combination with the DEI reaction. The results show that both the DEI reaction and the power density serve to delay the transition trend of the ion fraction, shifting the dominance of molecular ions to a higher pressure.},
doi = {10.1063/1.5020097},
url = {https://www.osti.gov/biblio/1540166}, journal = {Physics of Plasmas},
issn = {1070-664X},
number = 3,
volume = 25,
place = {United States},
year = {Wed Mar 07 00:00:00 EST 2018},
month = {Wed Mar 07 00:00:00 EST 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

Save / Share:

Works referenced in this record:

The 2012 Plasma Roadmap
journal, June 2012


Plasma medicine: an introductory review
journal, November 2009


On atmospheric-pressure non-equilibrium plasma jets and plasma bullets
journal, April 2012


A single electrode room-temperature plasma jet device for biomedical applications
journal, April 2008


Scaling and the design of miniaturized chemical-analysis systems
journal, July 2006


Characterizing uniform discharge in atmospheric helium by numerical modelling
journal, February 2009


Fundamental investigations of capacitive radio frequency plasmas: simulations and experiments
journal, November 2012


Stark broadening measurement of the electron density in an atmospheric pressure argon plasma jet with double-power electrodes
journal, March 2010


Ion energy distribution measurements in rf and pulsed dc plasma discharges
journal, April 2012


Effect of microwave frequency on breakdown and electron energy distribution function using a global model
journal, October 2008


Global model for high power microwave breakdown at high pressure in air
journal, April 2009


Predicted properties of microhollow cathode discharges in xenon
journal, January 2005


Plasma fluid modeling of microwave streamers: Approximations and accuracy
journal, November 2017


An object-oriented electromagnetic PIC code
journal, May 1995


Particle simulation of plasmas: review and advances
journal, April 2005


A benchmark study of a capacitively coupled oxygen discharge of the oopd1 particle-in-cell Monte Carlo code
journal, May 2013


Modelling of microdischarge devices: plasma and gas dynamics
journal, May 2005


Plasma-induced flow instabilities in atmospheric pressure plasma jets
journal, September 2017


Slow electron energy balance for hybrid models of direct-current glow discharges
journal, September 2017


Pressure effect on a tandem hollow cathode discharge in argon
journal, October 2017


Improved volume-averaged model for steady and pulsed-power electronegative discharges
journal, November 2006

  • Kim, Sungjin; Lieberman, M. A.; Lichtenberg, A. J.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 24, Issue 6
  • https://doi.org/10.1116/1.2345645

Global Model of He/O 2 and Ar/O 2 Atmospheric Pressure Glow Discharges
journal, August 2008


Global model of low-temperature atmospheric-pressure He + H 2 O plasmas
journal, March 2010


An investigation of the secondary electron kinetics and energy distribution in electron-beam-irradiated argon
journal, March 1996


Numerical modeling of the constriction of the dc positive column in rare gases
journal, March 1999


Heavy-particle hybrid modeling of transients in a direct-current argon discharge
journal, September 2000


Temporally and spatially resolved characterization of microwave induced argon plasmas: Experiment and modeling
journal, April 2014


Breakdown processes in metal halide lamps
journal, December 2002


Computational study of RF micro-hollow cathode discharge
journal, April 2015


A global model of the self-pulsing regime of micro-hollow cathode discharges
journal, March 2012


Comparison of a hybrid model with experiments in atmospheric pressure helium and argon capacitive rf discharges
journal, November 2014


Effect of Electron Energy Distribution on the Hysteresis of Plasma Discharge: Theory, Experiment and Modeling
journal, October 2015


Mode transition of microhollow cathode sustained discharge
journal, August 2016


Role of Ar2+ and Ar2+ ions in a direct current argon glow discharge: A numerical description
journal, October 1999


Simulation of dc atmospheric pressure argon micro glow-discharge
journal, August 2006


Numerical Model of an Argon Atmospheric Pressure RF Discharge
journal, October 2008


A global model of micro-hollow cathode discharges in the stationary regime
journal, October 2011


The role of molecular rare gas ions in plasmas operated at atmospheric pressure
journal, July 2003


Spatially averaged (global) model of time modulated high density argon plasmas
journal, September 1995

  • Ashida, Sumio; Lee, C.; Lieberman, M. A.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 13, Issue 5
  • https://doi.org/10.1116/1.579494

Emission spectrum of rare gas dimers in the vacuum UV region. II. Rotational analysis of band system I of Ar 2
journal, August 1979


Influence of Ar 2 + in an argon collisional-radiative model
journal, March 2002


Kinetics of Ar * 2 in high-pressure pure argon
journal, January 2000


Theoretical and experimental studies of phototriggered discharges in argon and neon
journal, November 1990


Investigation on the effect of nonlinear processes on similarity law in high-pressure argon discharges
journal, November 2017


The temperature dependence of the three-body reaction rate coefficient for some rare-gas atomic ion-atom reactions in the range 100-300K
journal, August 1980


Modeling of microwave-induced plasma in argon at atmospheric pressure
journal, May 2012


On the role of vibrational excitation in dissociative recombination
journal, February 1981


Observation of dissociative recombination of Ne 2 + and Ar 2 + directly to the ground state of the product atoms
journal, April 1995


Dissociative recombination studies of Ar 2 + by time-of-flight spectroscopy
journal, December 1995


Electron Temperature Dependence of the Dissociative Recombination Coefficient of Molecular Argon Ions Ar+2 with Electrons
journal, December 2010


Electron and gas temperature dependences of the dissociative recombination coefficient of molecular ions {\rm Ar}_2^+ with electrons
journal, September 2011


Theory of Dissociative Recombination in Vibrationally Excited Gases
journal, September 1969


Dissociative recombination at elevated temperatures. II. Comparison between theory and experiment in neon and argon afterglows
journal, November 1972


Modeling of atmospheric-pressure plasma columns sustained by surface waves
journal, January 2007


Dissociation of Xe 2 + molecular ions by electrons in plasma
journal, September 1991


Dissociative recombination of molecular ions in noble-gas plasmas
journal, January 1992


A two-dimensional Plasimo multiphysics model for the plasma–electromagnetic interaction in surface wave discharges: the surfatron source
journal, August 2012


Argon metastable production in argon-helium microplasmas
journal, June 2016


Numerical Investigation of the Surface Wave Formation in a Microwave Plasma Torch
journal, November 2017


Preliminary study on similarity of glow discharges in scale-down gaps
journal, January 2013


Research on Similarity Law of Glow Discharge in Argon at Low Pressure by Numerical Simulation
journal, June 2014


Cathode fall thickness of abnormal glow discharges between parallel-plane electrodes in different radii at low pressure
journal, February 2015


Scaling laws for gas breakdown for nanoscale to microscale gaps at atmospheric pressure
journal, June 2016


Modeling of microplasmas from GHz to THz
journal, August 2015


Principles of Plasma Discharges and Materials Processing
book, January 2005


Works referencing / citing this record:

Kinetic Modelling of Atmospheric Pressure Corona Discharges in Humid Air
journal, July 2019