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Random sequential adsorption of polyatomic species

机译:多原子物种的随机顺序吸附

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摘要

Random sequential adsorption of kappa-mers (particles occupying kappa adsorption sites on the substrate) of different sizes and shapes deposited on two-dimensional regular lattices is studied. For discrete models at the late stage the surface coverage evolves according to theta(t) = theta(infinity) - A exp [-t/sigma], where theta(infinity) is the jamming coverage while A and sigma are fitting parameters. In the present paper, the dependence of the terminal relaxation time s (which determine how fast the lattice is filled up to the jamming coverage) on the parameters of the problem is established through a theoretical approach. In addition, a strategy for determining sigma by means of a computational algorithm is presented.
机译:研究了沉积在二维规则晶格上的不同大小和形状的κ聚合物(颗粒在基底上占据κ吸附位的粒子)的随机顺序吸附。对于后期的离散模型,表面覆盖率根据theta(t)= theta(infinity)-A exp [-t / sigma]演化,其中theta(infinity)是干扰覆盖率,而A和sigma是拟合参数。在本文中,通过理论方法建立了末端弛豫时间s(确定晶格填充到堵塞区域的速度)与问题参数的相关性。此外,提出了一种通过计算算法确定西格玛的策略。

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