工程二维表面图案与VicCa模型

IF 1.7 4区材料科学 Q3 CRYSTALLOGRAPHY

Journal of Crystal Growth Pub Date : 2025-06-05 DOI:10.1016/j.jcrysgro.2025.128245

Marta A. Chabowska, Magdalena A. Załuska-Kotur

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引用次数: 0

摘要

我们利用VicCA模型研究了阶梯边缘势对岛屿成核和格局形成的影响，以期对岛屿的形成和生长有更深入的了解。我们的研究探索了由一般细胞自动机（CA）规则控制的分形结构，以及由密度依赖的附着机制形成的紧凑结构。我们证明了对CA框架的修改对表面图案有重大影响，强调了附着原子附着规则的关键作用和潜在井深对产生的表面形态的实质性影响。

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Engineering 2D surface patterns with the VicCa model

We employed the VicCA model to investigate the influence of step-edge potential on nucleation and pattern formation, aiming to gain deeper insights into island formation and growth. Our study explores fractal structures governed by general cellular automaton (CA) rules, as well as compact structures shaped by density-dependent attachment mechanisms. We demonstrate that modifications to the CA framework have a significant impact on surface patterning, emphasizing the critical role of adatom attachment rules and the substantial effect of potential well depth on the resulting surface morphology.

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来源期刊

Journal of Crystal Growth 化学-晶体学

CiteScore

3.60

自引率

11.10%

发文量

373

审稿时长

65 days

期刊介绍： The journal offers a common reference and publication source for workers engaged in research on the experimental and theoretical aspects of crystal growth and its applications, e.g. in devices. Experimental and theoretical contributions are published in the following fields: theory of nucleation and growth, molecular kinetics and transport phenomena, crystallization in viscous media such as polymers and glasses; crystal growth of metals, minerals, semiconductors, superconductors, magnetics, inorganic, organic and biological substances in bulk or as thin films; molecular beam epitaxy, chemical vapor deposition, growth of III-V and II-VI and other semiconductors; characterization of single crystals by physical and chemical methods; apparatus, instrumentation and techniques for crystal growth, and purification methods; multilayer heterostructures and their characterisation with an emphasis on crystal growth and epitaxial aspects of electronic materials. A special feature of the journal is the periodic inclusion of proceedings of symposia and conferences on relevant aspects of crystal growth.