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Title: Materials prediction via classification learning

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep13285· OSTI ID:1259293
 [1];  [2];  [3];  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Northwestern Univ., Evanston, IL (United States)

In the paradigm of materials informatics for accelerated materials discovery, the choice of feature set (i.e. attributes that capture aspects of structure, chemistry and/or bonding) is critical. Ideally, the feature sets should provide a simple physical basis for extracting major structural and chemical trends and furthermore, enable rapid predictions of new material chemistries. Orbital radii calculated from model pseudopotential fits to spectroscopic data are potential candidates to satisfy these conditions. Although these radii (and their linear combinations) have been utilized in the past, their functional forms are largely justified with heuristic arguments. Here we show that machine learning methods naturally uncover the functional forms that mimic most frequently used features in the literature, thereby providing a mathematical basis for feature set construction without a priori assumptions. We apply these principles to study two broad materials classes: (i) wide band gap AB compounds and (ii) rare earth-main group RM intermetallics. The AB compounds serve as a prototypical example to demonstrate our approach, whereas the RM intermetallics show how these concepts can be used to rapidly design new ductile materials. In conclusion, our predictive models indicate that ScCo, ScIr, and YCd should be ductile, whereas each was previously proposed to be brittle.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE; National Science Foundation (NSF)
Grant/Contract Number:
DMR 1454688; 20140013DR
OSTI ID:
1259293
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 55 works
Citation information provided by
Web of Science

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Cited By (22)

A Perspective on Materials Informatics: State-of-the-Art and Challenges book December 2015
Importance of Feature Selection in Machine Learning and Adaptive Design for Materials book January 2018
Unsupervised discovery of solid-state lithium ion conductors journal November 2019
Adaptive Strategies for Materials Design using Uncertainties journal January 2016
Optimisation of GaN LEDs and the reduction of efficiency droop using active machine learning journal April 2016
Materials space of solid-state electrolytes: unraveling chemical composition–structure–ionic conductivity relationships in garnet-type metal oxides using cheminformatics virtual screening approaches journal January 2017
Design of multifunctional supercapacitor electrodes using an informatics approach journal January 2019
Perspective: Materials informatics and big data: Realization of the “fourth paradigm” of science in materials science journal April 2016
Genarris: Random generation of molecular crystal structures and fast screening with a Harris approximation journal June 2018
Accelerated search for BaTiO 3 -based piezoelectrics with vertical morphotropic phase boundary using Bayesian learning journal November 2016
From DFT to machine learning: recent approaches to materials science–a review journal May 2019
Representation of compounds for machine-learning prediction of physical properties journal April 2017
Predictions of new AB O 3 perovskite compounds by combining machine learning and density functional theory journal April 2018
Mapping and classifying molecules from a high-throughput structural database journal February 2017
Finding New Perovskite Halides via Machine Learning journal April 2016
Optimisation of GaN LEDs and the reduction of efficiency droop using active machine learning text January 2016
Comparing molecules and solids across structural and alchemical space text January 2016
Mapping and Classifying Molecules from a High-Throughput Structural Database preprint January 2016
Representation of compounds for machine-learning prediction of physical properties text January 2016
Genarris: Random Generation of Molecular Crystal Structures and Fast Screening with a Harris Approximation text January 2018
Learning from data to design functional materials without inversion symmetry journal February 2017
Data-driven approach for the prediction and interpretation of core-electron loss spectroscopy journal September 2018

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