亚单层生长中岛的尺寸分布：用平均场论成功地预测了与覆盖度有关的俘获数
Island size distributions in submonolayer growth: successful prediction by mean field theory with coverage dependent capture numbers
摘要：
我们表明，平均场速率方程亚单层生长可以成功地预测岛的大小分布在预聚结制度，如果考虑到完全依赖于捕获数的岛屿的大小和覆盖范围。这是证明了广泛的动力学蒙特卡罗模拟的增长动力学与打击和坚持聚集。详细分析的捕获数量揭示了一个非线性依赖于岛屿的大小为小岛屿。这种非线性被证明是至关重要的成功预测的岛的大小分布，并呈现分析处理的基础上的连续极限的平均场速率方程困难。
英文摘要：
We show that mean-field rate equations for submonolayer growth can successfully predict island size distributions in the pre-coalescence regime if the full dependence of capture numbers on both the island size and the coverage is taken into account. This is demonstrated by extensive Kinetic Monte Carlo simulations for a growth kinetics with hit and stick aggregation. A detailed analysis of the capture numbers reveals a nonlinear dependence on the island size for small islands. This nonlinearity turns out to be crucial for the successful prediction of the island size distribution and renders an analytical treatment based on a continuum limit of the mean-field rate equations difficult.
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