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Title: Classification of AB O3 perovskite solids: a machine learning study

Journal Article · · Acta Crystallographica. Section B, Structural Science, Crystal Engineering and Materials (Online)
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  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Here we explored the use of machine learning methods for classifying whether a particular ABO3chemistry forms a perovskite or non-perovskite structured solid. Starting with three sets of feature pairs (the tolerance and octahedral factors, the A and B ionic radii relative to the radius of O, and the bond valence distances between the A and B ions from the O atoms), we used machine learning to create a hyper-dimensional partial dependency structure plot using all three feature pairs or any two of them. Doing so increased the accuracy of our predictions by 2–3 percentage points over using any one pair. We also included the Mendeleev numbers of the A and B atoms to this set of feature pairs. Moreover, doing this and using the capabilities of our machine learning algorithm, the gradient tree boosting classifier, enabled us to generate a new type of structure plot that has the simplicity of one based on using just the Mendeleev numbers, but with the added advantages of having a higher accuracy and providing a measure of likelihood of the predicted structure.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1257974
Report Number(s):
LA-UR-15-22854; ACSBDA; PII: S2052520615013979
Journal Information:
Acta Crystallographica. Section B, Structural Science, Crystal Engineering and Materials (Online), Vol. 71, Issue 5; ISSN 2052-5206
Publisher:
International Union of CrystallographyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 43 works
Citation information provided by
Web of Science

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Cited By (9)

Data-enabled structure–property mappings for lanthanide-activated inorganic scintillators journal February 2019
Accelerated search for materials with targeted properties by adaptive design journal April 2016
Experimental search for high-temperature ferroelectric perovskites guided by two-step machine learning journal April 2018
Recent advances and applications of machine learning in solid-state materials science journal August 2019
Inverse design in search of materials with target functionalities journal March 2018
Machine learning bandgaps of double perovskites journal January 2016
New tolerance factor to predict the stability of perovskite oxides and halides journal February 2019
Finding New Perovskite Halides via Machine Learning journal April 2016
New Tolerance Factor to Predict the Stability of Perovskite Oxides and Halides text January 2018

Figures / Tables (6)


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