2017
DOI: 10.1016/j.molstruc.2017.07.062
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DFT study of NO and H2O co-adsorption on Cu Co (m+n=2∼7) clusters

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Cited by 6 publications
(5 citation statements)
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“…Symmetry aside, progress can be made by attempting to use kernels based on simple, descriptive features corresponding to low-dimensional feature spaces. Taking inspiration from parametrized force fields, these descriptors could e.g., be chosen to be interatomic distances taken singularly or in triplets, yielding kernels based on 2-or 3-body interactions [16,31,32]. Since low-dimensional feature spaces allow efficient learning (convergence is reached using small databases), to the extent that simple descriptors capture the correct physics, the GP process will be a relatively fast, while still very accurate, interpolator.…”
Section: B Prior Knowledge and Gp Kernelsmentioning
confidence: 99%
See 1 more Smart Citation
“…Symmetry aside, progress can be made by attempting to use kernels based on simple, descriptive features corresponding to low-dimensional feature spaces. Taking inspiration from parametrized force fields, these descriptors could e.g., be chosen to be interatomic distances taken singularly or in triplets, yielding kernels based on 2-or 3-body interactions [16,31,32]. Since low-dimensional feature spaces allow efficient learning (convergence is reached using small databases), to the extent that simple descriptors capture the correct physics, the GP process will be a relatively fast, while still very accurate, interpolator.…”
Section: B Prior Knowledge and Gp Kernelsmentioning
confidence: 99%
“…This kernel has a full many-body character [28], ensured by the prescribed normalisation step defined by Eqs. (31)(32)(33)(34)(35)(36) of the standard Ref. [28]), which made it possible to use it e.g., to augment to full many-body the descriptive power of a 2and 3-body explicit kernel expansion [26].…”
Section: Building N-body Kernels I: So(3) Integrationmentioning
confidence: 99%
“…Several atomic structure descriptors for machine-learning models have been proposed in the literature. [53][54][55][56][57][58][59] Here we employ a recently developed descriptor based on the expansion of the radial and angular distribution functions (RDF and ADF) that is numerically efficient and has the advantage that its complexity does not increase with the number of chemical species. [60] A complete dervation and benchmarks of the method can be found in the original reference 60.…”
Section: Descriptor Of the Local Atomic Environmentmentioning
confidence: 99%
“…This scaling has so far limited current MLP approaches to compositions with only a few chemical species [7][8][9][10] or atomic structures [11]. Overcoming this limitation is a very active field of research [12,13].In this article we demonstrate that the computational complexity of MLPs does not necessarily grow with the number of chemical species, so that MLPs for materials with ten or more chemical species are in principle feasible and computationally efficient. We show that, contrary to intuition and common belief, the same model complexity that is optimal for a ternary material is also sufficient to describe a system with 11 chemical species (Fig.…”
mentioning
confidence: 94%
“…This scaling has so far limited current MLP approaches to compositions with only a few chemical species [7][8][9][10] or atomic structures [11]. Overcoming this limitation is a very active field of research [12,13].…”
mentioning
confidence: 99%