Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Six recently developed exchange functionals for pairing with two different versions of van der Waals density functionals (vdW-DF) are tested for weakly bonded solids. The test, using 26 layered weakly bonded compounds, benchmarks the lattice constants against experimental data and the interlayer binding energies against reference data from the random-phase approximation (RPA). The investigated functionals tend to give interlayer binding energies higher than the RPA benchmark, and the overall performance for lattice constants is good. The exchange functionals optB86b and cx13 paired with the original vdW-DF and the B86R functional paired with vdW-DF2 are found to give particularly good results for equilibrium geometries.

Bibliography

Björkman, T. (2014). Testing several recent van der Waals density functionals for layered structures. The Journal of Chemical Physics, 141(7).

Authors 1
  1. Torbjörn Björkman (first)
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Dates
Type When
Created 11 years ago (Aug. 20, 2014, 8:30 p.m.)
Deposited 2 years, 1 month ago (July 3, 2023, 9:03 p.m.)
Indexed 2 weeks, 3 days ago (Aug. 6, 2025, 9:08 a.m.)
Issued 11 years ago (Aug. 20, 2014)
Published 11 years ago (Aug. 20, 2014)
Published Online 11 years ago (Aug. 20, 2014)
Published Print 11 years ago (Aug. 21, 2014)
Funders 1
  1. Suomen Akatemia 10.13039/501100002341 Research Council of Finland

    Region: Europe

    gov (Universities (academic only))

    Labels4
    1. Suomen Akatemia
    2. Finlands Akademi
    3. Academy of Finland
    4. AKA
    Awards2
    1. COMP Centre of Excellence
    2. 263416

@article{Bj_rkman_2014, title={Testing several recent van der Waals density functionals for layered structures}, volume={141}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.4893329}, DOI={10.1063/1.4893329}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Björkman, Torbjörn}, year={2014}, month=aug }