Virtual screening of inorganic materials synthesis parameters with deep learning

Virtual screening of inorganic materials synthesis parameters with deep learning Virtual materials screening approaches have proliferated in the past decade, driven by rapid advances in first-principles computational techniques, and machine-learning algorithms. By comparison, computationally driven materials synthesis screening is still in its infancy, and is mired by the challenges of data sparsity and data scarcity: Synthesis routes exist in a sparse, high-dimensional parameter space that is difficult to optimize over directly, and, for some materials of interest, only scarce volumes of literature-reported syntheses are available. In this article, we present a framework for suggesting quantitative synthesis parameters and potential driving factors for synthesis outcomes. We use a variational autoencoder to compress sparse synthesis representations into a lower dimensional space, which is found to improve the performance of machine-learning tasks. To realize this screening framework even in cases where there are few literature data, we devise a novel data augmentation methodology that incorporates literature synthesis data from related materials systems. We apply this variational autoencoder framework to generate potential SrTiO3 synthesis parameter sets, propose driving factors for brookite TiO2 formation, and identify correlations between alkali-ion intercalation and MnO2 polymorph selection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png npj Computational Materials Springer Journals

Virtual screening of inorganic materials synthesis parameters with deep learning

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Publisher
Nature Publishing Group UK
Copyright
Copyright © 2017 by The Author(s)
Subject
Materials Science; Materials Science, general; Characterization and Evaluation of Materials; Mathematical and Computational Engineering; Theoretical, Mathematical and Computational Physics; Computational Intelligence; Mathematical Modeling and Industrial Mathematics
eISSN
2057-3960
D.O.I.
10.1038/s41524-017-0055-6
Publisher site
See Article on Publisher Site

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