Atomic Distance Kernel for Material Property Prediction

  • Hirotaka Akita
  • Yukino Baba
  • Hisashi Kashima
  • Atsuto Seko
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10634)

Abstract

A comprehensive search of various candidate materials is an important step in discovering novel materials with desirable physical properties. However, the search space is quite vast, so that it is not practical to perform exhaustive experiments to check all the candidates. Even if the chemical composition is the same, the properties of materials may differ significantly depending on the crystal structure, and therefore, the number of possible combinations increases considerably. Recently, machine learning methods have been successfully applied to material search to estimate prediction models using existing databases and predict the physical properties of unknown substances. In this research, we propose a novel kernel function between compounds, which directly uses crystal structure information for the prediction of physical properties of inorganic crystalline compounds based on the crystal structures. We conduct evaluation experiments and show that the structure information improves the prediction accuracy.

Keywords

Machine learning Kernel Material informatics 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Hirotaka Akita
    • 1
  • Yukino Baba
    • 1
  • Hisashi Kashima
    • 1
  • Atsuto Seko
    • 2
  1. 1.Department of Intelligence Science and Technology, Graduate School of InformaticsKyoto UniversityKyotoJapan
  2. 2.Department of Materials Science and Engineering, Graduate School of EngineeringKyoto UniversityKyotoJapan

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