Permeability of Ar and He through an inorganic membrane: A molecular dynamics study

Koichi Mizukami; Hiromitsu Takaba; Nobuyasu Ito; Momoji Kubo; Adil Fahmi; Akira Miyamoto

doi:10.1016/S0169-4332(97)00203-1

Permeability of Ar and He through an inorganic membrane: A molecular dynamics study

Koichi Mizukami, Hiromitsu Takaba, Nobuyasu Ito, Momoji Kubo, Adil Fahmi, Akira Miyamoto

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

11 Citations (Scopus)

Abstract

Molecular dynamic simulations of the permeation of single and mixture gases of He and Ar through an inorganic membrane are presented. The calculated permeabilities are in favor of the Knudsen diffusion mechanism. Since He is lighter than Ar, its permeability is larger and therefore it permeates first. Therefore, in the vacuum phase the amount of He is larger than that of Ar. This shows the ability of MD calculation on estimating permeability.

Original language	English
Pages (from-to)	330-334
Number of pages	5
Journal	Applied Surface Science
Volume	119
Issue number	3-4
DOIs	https://doi.org/10.1016/S0169-4332(97)00203-1
Publication status	Published - 1997 Oct

Keywords

Gas permeability
Inorganic membrane
Molecular dynamics calculations

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/S0169-4332(97)00203-1

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T2 - A molecular dynamics study

AU - Mizukami, Koichi

AU - Takaba, Hiromitsu

AU - Ito, Nobuyasu

AU - Kubo, Momoji

AU - Fahmi, Adil

AU - Miyamoto, Akira

PY - 1997/10

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AB - Molecular dynamic simulations of the permeation of single and mixture gases of He and Ar through an inorganic membrane are presented. The calculated permeabilities are in favor of the Knudsen diffusion mechanism. Since He is lighter than Ar, its permeability is larger and therefore it permeates first. Therefore, in the vacuum phase the amount of He is larger than that of Ar. This shows the ability of MD calculation on estimating permeability.

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KW - Inorganic membrane

KW - Molecular dynamics calculations

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