Author： Shevkunov S.
Publisher： MAIK Nauka/Interperiodica
ISSN： 1070-3632
Source： Russian Journal of General Chemistry, Vol.75, Iss.10, 2005-10, pp. : 1632-1642
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Abstract
Deposition of water molecules on a fragment of the β-AgI crystal surface was studied by computer simulation. The free energy, entropy, and work of formation of condensate nuclei on the support without crystal defects and in the presence of a point defect (excessive ion on the surface) were calculated. The monomolecular water layer is formed on the support surface from water vapor with the pressure exceeding the threshold level (about 20% of saturated vapor pressure). Spots of the monomolecular layer are formed in the vicinity of point crystal defects at pressures considerably lower than the threshold level and remain stable under these conditions.
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