Importance of resonances in surface-electronic-state spectroscopy: (110) surfaces of ZnSe and ZnTe
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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 3d surface Frenkel excitonic resonances, caused by the final-state electron-hole interaction. © 1982 The American Physical Society.
author list (cited authors)
Beres, R. P., Allen, R. E., & Dow, J. D.