Importance of resonances in surface-electronic-state spectroscopy: (110) surfaces of ZnSe and ZnTe
- 15 July 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 26 (2) , 769-772
- https://doi.org/10.1103/physrevb.26.769
Abstract
The angle-resolved photoemission spectrum of the ZnSe(110) surface is reexamined, with several of its prominent features (in particular, the previously unexplained one near - 4 eV) assigned to resonant one-electron surface states. The empty surface states observed in the electron-energy-loss spectra of ZnSe and ZnTe are interpreted as Zn surface Frenkel excitonic resonances, caused by the final-state electron-hole interaction.
Keywords
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