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Thermally Averaged Magnetic Anisotropy Tensors via Machine Learning Based on Gaussian Moments.
- Source :
-
Journal of chemical theory and computation [J Chem Theory Comput] 2022 Jan 11; Vol. 18 (1), pp. 1-12. Date of Electronic Publication: 2021 Dec 09. - Publication Year :
- 2022
-
Abstract
- We propose a machine learning method to model molecular tensorial quantities, namely, the magnetic anisotropy tensor, based on the Gaussian moment neural network approach. We demonstrate that the proposed methodology can achieve an accuracy of 0.3-0.4 cm <superscript>-1</superscript> and has excellent generalization capability for out-of-sample configurations. Moreover, in combination with machine-learned interatomic potential energies based on Gaussian moments, our approach can be applied to study the dynamic behavior of magnetic anisotropy tensors and provide a unique insight into spin-phonon relaxation.
Details
- Language :
- English
- ISSN :
- 1549-9626
- Volume :
- 18
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Journal of chemical theory and computation
- Publication Type :
- Academic Journal
- Accession number :
- 34882425
- Full Text :
- https://doi.org/10.1021/acs.jctc.1c00853