Adsorption model of non-additive binary gas mixture on square lattice: attraction between molecules of different types
Adsorption of binary gas mixtures on the lattice of solid is of considerable interest both from the practical and the theoretical points of view. The simplest theoretical model taking into account the lateral interactions between adsorbed molecules is a lattice gas model with nearest-neighbor in...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education
2018-07-01
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| Series: | Омский научный вестник |
| Subjects: | |
| Online Access: | https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2018/3%20(159)/123-126%20%D0%9C%D1%8B%D1%88%D0%BB%D1%8F%D0%B2%D1%86%D0%B5%D0%B2%20%D0%90.%20%D0%92.,%20%D0%9C%D1%8B%D1%88%D0%BB%D1%8F%D0%B2%D1%86%D0%B5%D0%B2%D0%B0%20%D0%9C.%20%D0%94.,%20%D0%A4%D0%B5%D1%84%D0%B5%D0%BB%D0%BE%D0%B2%20%D0%92.%20%D0%A4..pdf |
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| Summary: | Adsorption of binary gas mixtures on the lattice of solid is of
considerable interest both from the practical and the theoretical
points of view. The simplest theoretical model taking into account
the lateral interactions between adsorbed molecules is a lattice gas
model with nearest-neighbor interactions. We have done complete
analysis of the ground-state phase diagram for this model on a
square lattice taking into account nearest-neighbor attraction
between molecules of different types and arbitrary interactions
between one type molecules. Regions of phase stability are
determined using the principle of grand potential minimum. As
a result we have constructed a partition of the model parameter
plane into 14 regions differing by the type of the phase diagrams. |
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| ISSN: | 1813-8225 2541-7541 |