EXCITON-ELECTRON INTERACTIONS IN MODULATION-DOPED QW STRUCTURES

Authors
OSSAU W KOCHERESHKO VP YAKOVLEV DR SURIS RA TURCHINOVICH D LANDWEHR G WOJTOWICZ T KARCZEWSKI G KOSSUT J
Citation
W. Ossau et al., EXCITON-ELECTRON INTERACTIONS IN MODULATION-DOPED QW STRUCTURES, PHYSICS OF LOW-DIMENSIONAL STRUCTURES, 1-2, 1998, pp. 205-211
Citations number
8
Categorie Soggetti
Physics, Condensed Matter","Physics, Applied
Journal title
PHYSICS OF LOW-DIMENSIONAL STRUCTURES → ACNP
ISSN journal
02043467
Volume
1-2
Year of publication
1998
Pages
205 - 211
Database
ISI
SICI code
0204-3467(1998)1-2:<205:EIIMQS>2.0.ZU;2-2
Abstract
Reflectivity spectra of modulation-doped quantum well structures have been studied in external magnetic fields. Resonance reflectivity lines of excitons, trions and combined exciton-cyclotron resonances have be en observed. Parameters of these resonances have been analyzed as a fu nction of magnetic field. We have found that in doped structures the r esonance contribution to the dielectric function from the trion and co mbined exciton-cyclotron resonance exceeds the exciton contribution.