Exploration of multiple energy landscapes for zirconia nanoclusters

Literature Information

Publication Date 2010-07-08
DOI 10.1039/C0CP00057D
Impact Factor 3.676
Authors

Scott M. Woodley, Said Hamad, C. Richard A. Catlow


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Abstract

We have predicted the stable and low-energy metastable structures for (ZrO2)n clusters, where n = 1 to 12, employing Density Functional Theory (DFT) at the PBEsol0 level. A process of data mining and the application of an evolutionary algorithm to three different energy landscapes, as defined by interatomic potentials, for each cluster size, was used to generated the plausible structures for refinement using DFT at the PBEsol level. The structures for zirconia were found to be similar to that predicted for titania except that the order, with respect to the binding energies, of the configurations for the two compounds were different for the larger sized clusters. The energies of the local minima configurations and their respective HOMO and LUMO are discussed, as well as the insights gained from employing more than one set of interatomic potentials in the initial global optimisations.

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Back matter

Front/Back Matter

DOI: 10.1039/B511060M

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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