Electronic Structure of ZnS:Co Semiconductors: X-ray and Optical Spectroscopy Studies |
T.P. Surkova a , V.R. Galakhov a and M. Godlewski b a Institute of Metal Physics, Russian Academy of Sciences --- Ural Division, 620219 Yekaterinburg GSP-170, Russia b Institute of Physics, Polish Academy of Sciences, 02-668 Warsaw, Poland |
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Experimental studies of X-ray photoelectron and Co L α X-ray emission spectra of the ZnS:Co semiconductor were carried out. It was established that Co ions are in a Co 2+ configuration and that the Co 3d impurity states are localized above the top of the valence band by 1.0±0.2 eV. |
DOI: 10.12693/APhysPolA.103.703 PACS numbers: 71.55.Gs, 78.70.En, 79.60.--i |