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Title: Adsorption isotherm studies of methyl chloride on MgO

Abstract

The wetting properties of methyl chloride (CH{sub 3}Cl) on MgO (100) surfaces have been investigated between 132 and 180 K using high-resolution adsorption isotherms. At low temperatures only one adsorption step is observed. At higher temperatures, i.e., T>158.9 K, a second isotherm step appears, signaling the presence of a layering transition. Unlike adsorption behavior on graphite, however, there is no evidence of a low-to-high-density transition in the monolayer phase. In addition to the layering properties, the isothermal compressibility and isosteric heat of adsorption of the adsorbed films are calculated. (c) 2000 The American Physical Society.

Authors:
 [1];  [1]
  1. Chemistry Department, Brookhaven National Laboratory, Upton, New York, 11973-5000 (United States)
Publication Date:
OSTI Identifier:
20216428
Resource Type:
Journal Article
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 61; Journal Issue: 19; Other Information: PBD: 15 May 2000; Journal ID: ISSN 1098-0121
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; MAGNESIUM OXIDES; METHYL CHLORIDE; ADSORPTION ISOTHERMS; TEMPERATURE DEPENDENCE; WETTING HEAT; EXPERIMENTAL DATA

Citation Formats

Sprung, Michael, and Larese, J. Z. Adsorption isotherm studies of methyl chloride on MgO. United States: N. p., 2000. Web. doi:10.1103/PhysRevB.61.13155.
Sprung, Michael, & Larese, J. Z. Adsorption isotherm studies of methyl chloride on MgO. United States. doi:10.1103/PhysRevB.61.13155.
Sprung, Michael, and Larese, J. Z. Mon . "Adsorption isotherm studies of methyl chloride on MgO". United States. doi:10.1103/PhysRevB.61.13155.
@article{osti_20216428,
title = {Adsorption isotherm studies of methyl chloride on MgO},
author = {Sprung, Michael and Larese, J. Z.},
abstractNote = {The wetting properties of methyl chloride (CH{sub 3}Cl) on MgO (100) surfaces have been investigated between 132 and 180 K using high-resolution adsorption isotherms. At low temperatures only one adsorption step is observed. At higher temperatures, i.e., T>158.9 K, a second isotherm step appears, signaling the presence of a layering transition. Unlike adsorption behavior on graphite, however, there is no evidence of a low-to-high-density transition in the monolayer phase. In addition to the layering properties, the isothermal compressibility and isosteric heat of adsorption of the adsorbed films are calculated. (c) 2000 The American Physical Society.},
doi = {10.1103/PhysRevB.61.13155},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 19,
volume = 61,
place = {United States},
year = {2000},
month = {5}
}