Abstract:Angle-resolved and -integrated photoemission spectra from the ZnSe(110) surface were measured with He I (21.2 eV) light. Angle-resolved spectra were taken for the ? -?′, ? -?, and ? -? symmetry lines. From oxygen-contamination tests and by comparing the experimental result with a calculated surface electronic structure, we expect both surface and bulk states to contribute to the emission spectrum. The dispersion of the surface states at ∠−1.0 eV (energy zero is taken at the valence-band maximum) near the ?′ po… Show more
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