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Title: Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities

Abstract

Here, we report sputtering measurements of anorthite-like material, taken to be representative of soils found in the lunar highlands, impacted by singly and multicharged ions representative of the solar wind. The ions investigated include protons, as well as singly and multicharged Ar ions (as proxies for the nonreactive heavy solar wind constituents), in the charge state range +1 to +9, at fixed solar wind-relevant impact velocities of 165 and 310 km/s (0.25 keV/amu and 0.5 keV/amu). A quartz microbalance approach (QCM) for determination of total sputtering yields was used. The goal of the measurements was to determine the sputtering contribution of the heavy, multicharged minority solar wind constituents in comparison to that due to the dominant H+ fraction. The QCM results show a yield increase of a factor of about 80 for Ar+ versus H+ sputtering and an enhancement by a factor of 1.67 between Ar9+ and Ar+, which is a clear indication of a potential sputtering effect.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. NASA Marshall Space Flight Center, Huntsville, AL (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS); Multicharged Ion Research Facility (MIRF)
Sponsoring Org.:
USDOE
OSTI Identifier:
1185483
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Geophysical Research. Space Physics
Additional Journal Information:
Journal Volume: 119; Journal Issue: 10; Journal ID: ISSN 2169-9380
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Hijazi, Hussein Dib, Bannister, Mark E., Meyer, III, Harry M., Rouleau, Christopher M., Barghouty, A. F., Rickman, D. L., and Meyer, Fred W. Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities. United States: N. p., 2014. Web. doi:10.1002/2014JA020140.
Hijazi, Hussein Dib, Bannister, Mark E., Meyer, III, Harry M., Rouleau, Christopher M., Barghouty, A. F., Rickman, D. L., & Meyer, Fred W. Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities. United States. https://doi.org/10.1002/2014JA020140
Hijazi, Hussein Dib, Bannister, Mark E., Meyer, III, Harry M., Rouleau, Christopher M., Barghouty, A. F., Rickman, D. L., and Meyer, Fred W. 2014. "Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities". United States. https://doi.org/10.1002/2014JA020140. https://www.osti.gov/servlets/purl/1185483.
@article{osti_1185483,
title = {Anorthite sputtering by H+ and Arq+ (q = 1-9) at solar wind velocities},
author = {Hijazi, Hussein Dib and Bannister, Mark E. and Meyer, III, Harry M. and Rouleau, Christopher M. and Barghouty, A. F. and Rickman, D. L. and Meyer, Fred W.},
abstractNote = {Here, we report sputtering measurements of anorthite-like material, taken to be representative of soils found in the lunar highlands, impacted by singly and multicharged ions representative of the solar wind. The ions investigated include protons, as well as singly and multicharged Ar ions (as proxies for the nonreactive heavy solar wind constituents), in the charge state range +1 to +9, at fixed solar wind-relevant impact velocities of 165 and 310 km/s (0.25 keV/amu and 0.5 keV/amu). A quartz microbalance approach (QCM) for determination of total sputtering yields was used. The goal of the measurements was to determine the sputtering contribution of the heavy, multicharged minority solar wind constituents in comparison to that due to the dominant H+ fraction. The QCM results show a yield increase of a factor of about 80 for Ar+ versus H+ sputtering and an enhancement by a factor of 1.67 between Ar9+ and Ar+, which is a clear indication of a potential sputtering effect.},
doi = {10.1002/2014JA020140},
url = {https://www.osti.gov/biblio/1185483}, journal = {Journal of Geophysical Research. Space Physics},
issn = {2169-9380},
number = 10,
volume = 119,
place = {United States},
year = {Thu Oct 16 00:00:00 EDT 2014},
month = {Thu Oct 16 00:00:00 EDT 2014}
}

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Cited by: 11 works
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Works referencing / citing this record:

Solar wind sputtering of dust on the surface of 67P/Churyumov-Gerasimenko
journal, October 2015


Solar wind sputtering of dust on the surface of 67P/Churyumov-Gerasimenko
text, January 2015