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Machine learning reveals orbital interaction in materials.


ABSTRACT: We propose a novel representation of materials named an 'orbital-field matrix (OFM)', which is based on the distribution of valence shell electrons. We demonstrate that this new representation can be highly useful in mining material data. Experimental investigation shows that the formation energies of crystalline materials, atomization energies of molecular materials, and local magnetic moments of the constituent atoms in bimetal alloys of lanthanide metal and transition-metal can be predicted with high accuracy using the OFM. Knowledge regarding the role of the coordination numbers of the transition-metal and lanthanide elements in determining the local magnetic moments of the transition-metal sites can be acquired directly from decision tree regression analyses using the OFM.

SUBMITTER: Lam Pham T 

PROVIDER: S-EPMC5678453 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Machine learning reveals orbital interaction in materials.

Lam Pham Tien T   Kino Hiori H   Terakura Kiyoyuki K   Miyake Takashi T   Tsuda Koji K   Takigawa Ichigaku I   Chi Dam Hieu H  

Science and technology of advanced materials 20171026 1


We propose a novel representation of materials named an 'orbital-field matrix (OFM)', which is based on the distribution of valence shell electrons. We demonstrate that this new representation can be highly useful in mining material data. Experimental investigation shows that the formation energies of crystalline materials, atomization energies of molecular materials, and local magnetic moments of the constituent atoms in bimetal alloys of lanthanide metal and transition-metal can be predicted w  ...[more]

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