Monte Carlo study of the percolation in two-dimensional polymer systems.

Abstract:

:The structure of a two-dimensional film formed by adsorbed polymer chains was studied by means of Monte Carlo simulations. The polymer chains were represented by linear sequences of lattice beads and positions of these beads were restricted to vertices of a two-dimensional square lattice. Two different Monte Carlo methods were employed to determine the properties of the model system. The first was the random sequential adsorption (RSA) and the second one was based on Monte Carlo simulations with a Verdier-Stockmayer sampling algorithm. The methodology concerning the determination of the percolation thresholds for an infinite chain system was discussed. The influence of the chain length on both thresholds was presented and discussed. It was shown that the RSA method gave considerably lower thresholds for longer chains. This behavior can be explained by a different pool of chain conformations used in the calculations in both methods under consideration.

journal_name

J Mol Model

authors

Pawłowska M,Sikorski A

doi

10.1007/s00894-013-1892-y

subject

Has Abstract

pub_date

2013-10-01 00:00:00

pages

4251-8

issue

10

eissn

1610-2940

issn

0948-5023

journal_volume

19

pub_type

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