Recombination Processes in ZnSe:Eu
K. Świątek, M. Godlewski
Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland
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The photo-ESR and photoluminescence experiments have been performed on high-resistivity ZnSe:Eu crystals. We report the first evidence that the energy level of Eu2+ ground state is located within the ZnSe forbidden gap, approximately 2.1 eV below the bottom of the conduction band.
DOI: 10.12693/APhysPolA.80.381
PACS numbers: 71.55.Gs, 76.30.Kg, 78.50.Ge