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Density-Functional Theory of Excitation Spectra of Semiconductors: Application to Si
Abstract
This Letter presents a general approach to calculation of the quasiparticle excitation energies of semiconductors which includes the energy dependence of the self-energy with a local density-functional approach. Both direct and indirect band gaps in Si are in much better agreement with experiment than are the bands from the ground-state theory. The relatively large corrections arise only after the dielectric screening of the electron gas is modified to account for a gap in the excitation spectrum.
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Citations
Cites
Self-interaction correction to density-functional approximations for many-electron systems
Perdew, J. P., & Zunger, A. (1981) · Physical Review B · doi:10.1103/physrevb.23.5048 · Cited by 20,887
Cited by
Electron correlation in semiconductors and insulators: Band gaps and quasiparticle energies
Hybertsen, M. S., & Louie, S. G. (1986) · Physical Review B · doi:10.1103/physrevb.34.5390 · Cited by 3,963
Pseudopotential methods in condensed matter applications
Pickett, W. E. (1989) · Computer Physics Reports · doi:10.1016/0167-7977(89)90002-6 · Cited by 915
Self-citationApplication of the Green’s functions method to the study of the optical properties of semiconductors
Strinati, G. (1988) · La Rivista del Nuovo Cimento · doi:10.1007/bf02725962 · Cited by 571
Kapilashrami, M., Zhang, Y., Liu, Y.-S., Hagfeldt, A., & Guo, J. (2014) · Chemical Reviews · doi:10.1021/cr5000893 · Cited by 508
Efficient Band Gap Prediction for Solids
Chan, M. K. Y., & Ceder, G. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.196403 · Cited by 494
Metadata
- Authors
- Wang, C. S., & Pickett, W. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1983-08-15
- Volume
- 51
- Issue
- 7
- Pages
- 597-600
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1977909160
- Cited by
- 267
- References
- 1
- FWCI
- 14.53
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, C. S., & Pickett, W. E. (1983). Density-Functional Theory of Excitation Spectra of Semiconductors: Application to Si. Physical Review Letters. https://doi.org/10.1103/physrevlett.51.597
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