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Microwave-Induced Delocalization of Excitons in Ternary Compounds of II--VI and III--V Semiconductors |
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V.Yu. Ivanov
a
, M. Godlewski
a,b
, A. Khachapuridze
a
, S. Yatsunenko
a
, T. Wojtowicz
a
, G. Karczewski
a
, J.P. Bergman
c
, B. Monemar
c
, T. Shamirzaev
d
, K. Zhuravlev
d
, K. Leonardi
e
and D. Hommel
e
a Institute of Physics, Polish Academy of Sciences al. Lotników 32/46, 02-668 Warsaw, Poland b College of Science, Cardinal S. Wyszyñski University, Warsaw, Poland c Dept. of Physics and Meas. Techn., Linköping University 581 83 Linköping, Sweden d Institute of Semiconductor Physics, SB RAN, Novosibirsk 630090, Russia e Institute of Solid State Physics, Bremen University 28334 Bremen, Germany |
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| In this work we employ technique of optically detected cyclotron resonance for evaluation of the role of localization processes in CdTe/CdMnTe and CdMnTe/CdMgTe quantum well structures. From microwave-induced changes of excitonic emissions we evaluate magnitude of potential fluctuations (Stokes shift), correlate optically detected cyclotron resonance results with the results of time-resolved experiments and discuss nature of recombination processes in the limit of a strong localization. |
| PACS numbers: 71.35.Ji, 72.25.Rb, 76.70.Hb, 78.55.Et |