Electronic structure of ZnS:Co and ZnSe:Co crystals
| Autor(en): | Galakhov, VR Surkova, TP Giriat, W Bratkowski, S Neumann, M |
Stichwörter: | BAND OFFSETS; DIHALIDES; LICOO2; PHOTOELECTRON; Physics; Physics, Condensed Matter; RAY PHOTOEMISSION SPECTRA; SPECTROSCOPY; TRANSITION-METAL COMPOUNDS | Erscheinungsdatum: | 1997 | Herausgeber: | AMER INST PHYSICS | Journal: | PHYSICS OF THE SOLID STATE | Volumen: | 39 | Ausgabe: | 11 | Startseite: | 1762 | Seitenende: | 1764 | Zusammenfassung: | The x-ray photoelectron spectra of the valence bands and inner Co 2p levels of solid solutions of the wide-gap semiconductors ZnS, ZnS:Co, ZnSe, and ZnSe:Co are investigated. The x-ray photoelectron Co 2p spectrum of the ZnS:Co crystal indicates a 3d configuration of the ground state of cobalt and strong covalence of the cobalt-sulfur bond, but somewhat weaker than for CoS. It is established that the edge of the valence band recedes by 0.7+/-0.1 eV in transition from ZnSe to ZnS. (C) 1997 Americans institute of Physics. |
ISSN: | 10637834 | DOI: | 10.1134/1.1130167 |
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