Machine learning reveals orbital interaction in materials.
Machine learning reveals orbital interaction in materials.
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DOI:
10.1080/14686996.2017.1378060
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发表时间:
2017
影响因子:
5.5
通讯作者:
Chi Dam H
中科院分区:
文献类型:
--
作者:
Lam Pham T;Kino H;Terakura K;Miyake T;Tsuda K;Takigawa I;Chi Dam H
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.
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