EXCITON TRANSFER IN MULTIPLE-QUANTUM-WELL STRUCTURES OF CDTE CDMNTE GROWN BY MOLECULAR-BEAM EPITAXY/

Authors
GODLEWSKI M SURMA M WILAMOWSKI Z WOJTOWICZ T KARCZEWSKI G KOSSUT J HOLTZ PO BERGMAN JP MONEMAR B
Citation
M. Godlewski et al., EXCITON TRANSFER IN MULTIPLE-QUANTUM-WELL STRUCTURES OF CDTE CDMNTE GROWN BY MOLECULAR-BEAM EPITAXY/, Acta Physica Polonica. A, 92(4), 1997, pp. 761-764
Citations number
4
Categorie Soggetti
Physics
Journal title
Acta Physica Polonica. A → ACNP
ISSN journal
05874246
Volume
92
Issue
4
Year of publication
1997
Pages
761 - 764
Database
ISI
SICI code
0587-4246(1997)92:4<761:ETIMSO>2.0.ZU;2-V
Abstract
The direct evidence for the efficient transfer of excitons from 4 nm a nd 6 nm to 10 nm wide CdTe quantum wells is presented based on the res ults of photoluminescence and photoluminescence excitation investigati on. Efficient transfer is observed for quantum wells separated by thic k (50 nm) CdMnTe barriers containing 10% or 30% Mn fraction. A new mec hanism of the transfer is proposed, which involves long range dynamic magnetic interactions between free/bound excitons and Mn ions in the C dMnTe barrier regions of the structure.