Effect of composition on the penetration of inert gases adsorbed onto silicate glass surfaces

A. E. Kohler, Steve Garofalini

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Molecular dynamics (MD) computer simulations were used to study the adsorption of inert gases (N2, Ar, Ne) onto glass surfaces. There were four types of surfaces used: silica, sodium trisilicate, sodium disilicate, and sodium aluminosilicate. Unlike the results seen previously in the deposition of metals onto these surfaces, it was found that the inert gas adsorbates had little or no effect on the substrate structure during the adsorption. However the structure of the glasses dramatically altered the adsorption behavior from point to point along the surface for all of the adsorbates. Nitrogen and argon were found to be unable to penetrate the glass surfaces. Individual neon atoms were able to penetrate all of the surfaces except for the sodium aluminosilicate. The reasons for the difference in adsorption behavior are discussed in terms of the compositional effects on the structure of the glasses.

Original languageEnglish
Pages (from-to)4664-4669
Number of pages6
JournalLangmuir
Volume10
Issue number12
Publication statusPublished - Dec 1994

Fingerprint

Noble Gases
Silicates
Inert gases
rare gases
silicates
penetration
Glass
glass
Sodium
Chemical analysis
sodium
Adsorption
adsorption
Aluminosilicates
Adsorbates
Neon
Argon
Silicon Dioxide
neon
Molecular dynamics

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Effect of composition on the penetration of inert gases adsorbed onto silicate glass surfaces. / Kohler, A. E.; Garofalini, Steve.

In: Langmuir, Vol. 10, No. 12, 12.1994, p. 4664-4669.

Research output: Contribution to journalArticle

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