Condensed Matter Physics, 2016, vol. 19, No. 3, 33602
DOI:10.5488/CMP.19.33602           arXiv:1609.04706

Title: First-order phase transitions in lattice bilayers of Janus-like particles: Monte Carlo simulations
Author(s):
  M. Borówko (Department for the Modelling of Physico-Chemical Processes, Maria Curie-Skłodowska University, Gliniana 33, Lublin, Poland) ,
  A. Patrykiejew (Department for the Modelling of Physico-Chemical Processes, Maria Curie-Skłodowska University, Gliniana 33, Lublin, Poland) ,
  W.Rzysko (Department for the Modelling of Physico-Chemical Processes, Maria Curie-Skłodowska University, Gliniana 33, Lublin, Poland) ,
  S. Sokołowski (Department for the Modelling of Physico-Chemical Processes, Maria Curie-Skłodowska University, Gliniana 33, Lublin, Poland)

The first-order phase transitions in the lattice model of Janus-like particles confined in slit-like pores are studied. We assume a cubic lattice with molecules that can freely change their orientation on a lattice site. Moreover, the molecules can interact with the pore walls with orientation-dependent forces. The performed calculations are limited to the cases of bilayers. Our emphasis is on the competition between the fluid-wall and fluid-fluid interactions. The oriented structures formed in the systems in which the fluid-wall interactions acting contrary to the fluid-fluid interactions differ from those appearing in the systems with neutral walls or with walls attracting the repulsive parts of fluid molecules.

Key words: Monte Carlo simulation, lattice Janus particles, phase transitions, bilayers
PACS: 64.75.Yz, 64.75.-g, 68.35.Rh, 61.20.Ja, 64.75.Xc


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