沉积在纳米图案基底上的微粒单层膜的形貌
Morphology of Fine-Particle Monolayers Deposited on Nanopatterned Substrates
摘要：
我们研究了规则基底图案的存在对纳米颗粒和胶体颗粒不可逆吸附的影响。沉积的半径$r_0$的磁盘被认为是，与允许的区域，其中心连接在平面上的正方形细胞排列在一个正方形的晶格图案。我们研究了一个广义版本的随机顺序吸附模型的堵塞状态的性质为不同的值的细胞大小，$a$，和细胞-细胞分离，$b$。该模型在两个无量纲参数$α=a/2r_0$和$β=b/2r_0$的空间中显示出令人惊讶的丰富行为。利用一种有效的算法对$500\times500$正方形晶格晶胞的系统尺寸进行了广泛的蒙特卡罗模拟，以表征堵塞状态的形态。
英文摘要：
We study the effect of the presence of a regular substrate pattern on the irreversible adsorption of nanosized and colloid particles. Deposition of disks of radius $r_0$ is considered, with the allowed regions for their center attachment at the planar surface consisting of square cells arranged in a square lattice pattern. We study the jammed state properties of a generalized version of the random sequential adsorption model for different values of the cell size, $a$, and cell-cell separation, $b$. The model shows a surprisingly rich behavior in the space of the two dimensionless parameters $α=a/2r_0$ and $β=b/2r_0$. Extensive Monte Carlo simulations for system sizes of $500\times500$ square lattice unit cells were performed by utilizing an efficient algorithm, to characterize the jammed state morphology.
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