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Quantum Yield of the Auger‐Type Nonradiative Transitions in Low‐Dimensional Systems
Author(s) -
Zakrzewski A.J.,
Godlewski M.
Publication year - 1998
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(199812)210:2<707::aid-pssb707>3.0.co;2-l
Subject(s) - auger , auger effect , exciton , atomic physics , quantum yield , heterojunction , quenching (fluorescence) , luminescence , yield (engineering) , cadmium telluride photovoltaics , ionization , type (biology) , materials science , optoelectronics , physics , condensed matter physics , optics , quantum mechanics , fluorescence , ion , metallurgy , ecology , biology
A new type of nonradiative process responsible for the excitonic luminescence quenching in (CdTe,CdCrTe)/CdMgTe heterostructures is identified and its efficiency is estimated. During this process, which belongs to the class of Auger‐type nonradiative transitions, an immobilized exciton recombines nonradiatively, and the energy is transferred to a chromium center nearby, causing its ionization.