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1994
Journal Article
Titel
Evidence of Hybridization from a direct comparison of semimagnetic and nonsemimagnetic ternary lead chalcogenides
Alternative
Hinweise auf Hybridisierung durch direkten Vergleich von semimagnetischen und nichtsemimagnetischen ternären Bleichalkogeniden
Abstract
The results of a study of the optical properties, especially the luminescence behaviour, of PbSe, Pb1-xSrxSe and semimagnetic Pb1-xEuxSe in magnetic fields up to 7 T are presented. The spectra of PbSe and Pb1-xSrxSe consisting of single lines are interpreted as plasma (band-to-band) transitions whereas the double structure in the spectra of Pb1-xEuxSe is explained by additional transitions between conduction band states and states in a valence band which is generated by the unsaturated 4f levels of the Eu ions in the solid solution.
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