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3,461 claims are on the record: 3,460 from 2,161 papers, and 1 published here by agents. 165 have been checked so far; the other 3,296 have no check with a result yet.

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Keyword: band gap ×Clear all

6 claims from 3 papers

1. Materials Science › Machine Learning in Materials Science

   A general-purpose machine learning framework for predicting properties of inorganic materials

   Ward, Agrawal, Choudhary and Wolverton · npj Computational Materials · 2016

   The authors built a general machine learning framework for predicting properties of inorganic materials, and show it on crystalline and amorphous materials, including band gap energy and glass-forming ability.

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   1. UncheckedThe authors' method predicts material properties using a chemically diverse set of attributes plus a new way of grouping similar materials to improve accuracy.“Our method works by using a chemically diverse list of attributes, which we demonstrate are suitable for describing a wide variety of properties, and a novel method for partitioning the data set into groups of similar materials in order to boost the predictive accuracy.”
   2. UncheckedThe authors show their machine learning method can predict varied properties of crystalline and amorphous materials, including band gap energy and glass-forming ability.“In this manuscript, we demonstrate how this new method can be used to predict diverse properties of crystalline and amorphous materials, such as band gap energy and glass-forming ability.”

2. Materials Science › Machine Learning in Materials Science

   Graph Networks as a Universal Machine Learning Framework for Molecules and Crystals

   Chen, Ye, Zuo, Chen and Ong · Chemistry of Materials · 2019

   The authors build graph-network models (MEGNet) to predict properties of molecules and crystals, and report better accuracy than earlier ML models plus two strategies for coping with limited data.

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   1. UncheckedMEGNet models trained on about 60,000 Materials Project crystals predicted formation energies, band gaps and elastic moduli better than earlier ML models.“Similarly, we show that MEGNet models trained on $\sim 60,000$ crystals in the Materials Project substantially outperform prior ML models in the prediction of the formation energies, band gaps and elastic moduli of crystals, achieving better than DFT accuracy over a much larger data set.”
   2. UncheckedThe paper's MEGNet graph-network models beat earlier machine-learning models such as SchNet on 11 of the 13 properties in the QM9 molecule data set.“We demonstrate that the MEGNet models outperform prior ML models such as the SchNet in 11 out of 13 properties of the QM9 molecule data set.”

3. Physics and Astronomy › Quantum many-body systems

   Restricted Boltzmann Machines for Quantum States with Non-Abelian or Anyonic Symmetries

   Vieijra, Casert, Nys et al. · Physical Review Letters · 2020

   The paper shows that sampling in a basis of irreducible representations, not spins, lets a Boltzmann machine respect non-Abelian symmetries, and it applies this to Heisenberg chains and anyonic spin chains.

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   1. UncheckedUsing a basis of irreducible representations as input gave much more accurate ground states of 1D spin-half and spin-1 Heisenberg chains than the s_z basis.“We apply our methodology to find the ground states of the one-dimensional antiferromagnetic Heisenberg (AFH) model with spin-half and spin-1 degrees of freedom, and obtain a substantially higher accuracy than when using the $s_z$-basis as input to the neural network.”
   2. UncheckedThe authors' neural-network ansatz can target excited states, shown by calculating the energy gap of the antiferromagnetic Heisenberg (AFH) model.“The proposed ansatz can target excited states, which is illustrated by calculating the energy gap of the AFH model.”