Zn–VI quasiparticle gaps and optical spectra from many-body calculations

A. Riefer, N. Weber, J. Mund, D.R. Yakovlev, M. Bayer, A. Schindlmayr, C. Meier, W.G. Schmidt, Journal of Physics: Condensed Matter 29 (2017).

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Abstract
The electronic band structures of hexagonal ZnO and cubic ZnS, ZnSe, and ZnTe compounds are determined within hybrid-density-functional theory and quasiparticle calculations. It is found that the band-edge energies calculated on the G0W0 (Zn chalcogenides) or GW (ZnO) level of theory agree well with experiment, while fully self-consistent QSGW calculations are required for the correct description of the Zn 3d bands. The quasiparticle band structures are used to calculate the linear response and second-harmonic-generation (SHG) spectra of the Zn–VI compounds. Excitonic effects in the optical absorption are accounted for within the Bethe–Salpeter approach. The calculated spectra are discussed in the context of previous experimental data and present SHG measurements for ZnO.
Publishing Year
Journal Title
Journal of Physics: Condensed Matter
Volume
29
Issue
21
Article Number
215702
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eISSN
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Riefer A, Weber N, Mund J, et al. Zn–VI quasiparticle gaps and optical spectra from many-body calculations. Journal of Physics: Condensed Matter. 2017;29(21). doi:10.1088/1361-648x/aa6b2a
Riefer, A., Weber, N., Mund, J., Yakovlev, D. R., Bayer, M., Schindlmayr, A., … Schmidt, W. G. (2017). Zn–VI quasiparticle gaps and optical spectra from many-body calculations. Journal of Physics: Condensed Matter, 29(21). https://doi.org/10.1088/1361-648x/aa6b2a
@article{Riefer_Weber_Mund_Yakovlev_Bayer_Schindlmayr_Meier_Schmidt_2017, title={Zn–VI quasiparticle gaps and optical spectra from many-body calculations}, volume={29}, DOI={10.1088/1361-648x/aa6b2a}, number={21215702}, journal={Journal of Physics: Condensed Matter}, publisher={IOP Publishing}, author={Riefer, Arthur and Weber, Nils and Mund, Johannes and Yakovlev, Dmitri R. and Bayer, Manfred and Schindlmayr, Arno and Meier, Cedrik and Schmidt, Wolf Gero}, year={2017} }
Riefer, Arthur, Nils Weber, Johannes Mund, Dmitri R. Yakovlev, Manfred Bayer, Arno Schindlmayr, Cedrik Meier, and Wolf Gero Schmidt. “Zn–VI Quasiparticle Gaps and Optical Spectra from Many-Body Calculations.” Journal of Physics: Condensed Matter 29, no. 21 (2017). https://doi.org/10.1088/1361-648x/aa6b2a.
A. Riefer et al., “Zn–VI quasiparticle gaps and optical spectra from many-body calculations,” Journal of Physics: Condensed Matter, vol. 29, no. 21, 2017.
Riefer, Arthur, et al. “Zn–VI Quasiparticle Gaps and Optical Spectra from Many-Body Calculations.” Journal of Physics: Condensed Matter, vol. 29, no. 21, 215702, IOP Publishing, 2017, doi:10.1088/1361-648x/aa6b2a.
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Zn–VI quasiparticle gaps and optical spectra from many-body calculations
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