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CEST and SIN publish new paper on npj Computational Materials

Lauri Himanen, Patrick Rinke and Adam Foster publish a new scheme for topological classification of materials structures on npj Computational Materials.

New paper on npj Computational Materials - Lauri Himanen, Patrick Rinke and Adam Foster, Materials structure genealogy and high-throughput topological classification of surfaces and 2D materials, npj Comput. Mater., Vol. 4, 52 (2018).

Materials structure genealogy and high-throughput topological classification of surfaces and 2D materials, Lauri Himanen, Patrick Rinke and Adam Foster, npj Comput. Mater., Vol. 4, 52 (2018).

https://www.nature.com/articles/s41524-018-0107-6

npjCM scheme

Automated and verifiable structural classification for atomistic structures is becoming necessary to cope with the vast amount of information stored in various computational materials databases. Here we present a general recursive scheme for the structural classification of atomistic systems and introduce a structural materials map that can be used to organize the materials structure genealogy. We also introduce our implementation for the automatic classification of two-dimensional structures, especially focusing on surfaces and 2D materials. This classification procedure can automatically determine the dimensionality of a structure, further categorize the structure as a surface or a 2D material, return the underlying unit cell and also identify the outlier atoms, such as adsorbates. The classification scheme does not require explicit search patterns and works even in the presence of defects and dislocations. The classification is tested on a wide variety of atomistic structures and provides a high-accuracy determination for all of the returned structural properties. A software implementation of the classification algorithm is freely available with an open-source license.

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