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Screening crystal morphologies from crystal structure

机译:从晶体结构筛选晶体形态

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摘要

Crystal morphology is a critical determinant of the physical properties of crystalline materials. Face-specific growth rates can be used to compute dynamic and steady-state morphologies of crystals growing in a specific environment. The synthesis of crystals with desired morphologies requires a framework to guide the selection of environmental conditions. The framework developed here utilizes combinatorics to generate a graph of different morphologies connected by edges describing morphology transformations. These edges collectively form a polyhedral cone containing domains of different morphologies in a crystal-state space. The face-specific growth rates of crystals allow the identification of accessible regions within the polyhedral cone using a generalized single-crystal model. Here, we introduce morphology domain as a fundamental property of crystals which can be used to screen crystallization conditions for the controlled synthesis of desired crystal morphologies that is both facile and readily usable. A user-friendly tool, MorphologyDomain, is presented that facilitates diverse applications.
机译:晶体形态是决定晶体材料物理性能的关键因素。特定于面的增长率可用于计算在特定环境中生长的晶体的动态和稳态形态。具有所需形态的晶体的合成需要一个框架来指导环境条件的选择。这里开发的框架利用组合技术来生成不同形态的图形,这些图形通过描述形态转换的边连接起来。这些边缘共同形成一个多面体圆锥体,在晶体状态空间中包含不同形态的畴。晶体的面特定生长速率允许使用广义单晶模型识别多面体锥内的可及区域。在这里,我们介绍形态学域作为晶体的基本属性,可用于筛选结晶条件,以便可控制地合成所需的晶体形态,既方便又易于使用。提出了一种易于使用的工具MorphologyDomain,可简化各种应用程序。

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