Phase transitions and adsorption isotherm in multilayer adsorbates with lateral interactions

Sonia B Casal, Horacio S Wio and S Mangioni

Physica A: Statistical Mechanics and its Applications, 2002, vol. 311, issue 3, 443-457

Abstract: We analyze here a model for an adsorbate system composed of many layers by extending a theoretical approach used to describe pattern formation on a monolayer of adsorbates with lateral interactions. The approach shows, in addition to a first-order phase transition in the first layer, a transition in the second layer together with evidence of a “cascade” of transitions if more layers are included. The transition profiles, showing a staircase structure, corroborate this picture. The adsorption isotherm that came out of this approach is in qualitative agreement with numerical and experimental results.

Keywords: Adsorption isotherm; Pattern formation; Lateral interactions; Multilayer adsorbates (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:311:y:2002:i:3:p:443-457

DOI: 10.1016/S0378-4371(02)00828-2

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