Magnetoexciton spectrum of GaAs-AlAs quantum wells
- 15 July 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 40 (2), 1407-1409
- https://doi.org/10.1103/physrevb.40.1407
Abstract
A 0–8 tesla magnetoreflectivity study of GaAs-AlAs multiple quantum wells at 5 K has been performed. Interband excitonic transitions are observed between the first two heavy-hole subbands and the first two electrons subbands. The transitions are identified as involving the ground state and several excited states of both heavy-hole excitons. A theory is developed which accounts for the coulomb potential of the exciton, the magnetic field, and quantum-well confinement. Good agreement between theory and data is obtained for the first heavy-hole exciton; however a discrepancy is noted for the second heavy-hole exciton.Keywords
This publication has 18 references indexed in Scilit:
- Dynamical mass effect on confined exciton statesPhysical Review B, 1988
- Observation of decoupled heavy and light holes in GaAs-As quantum wells by magnetoreflectivityPhysical Review B, 1988
- Indirect-direct anticrossing in GaAs-AlAs superlattices induced by an electric field: Evidence of Γ-X mixingPhysical Review Letters, 1988
- Theory of heavy-hole magnetoexcitons in GaAs-(Al,Ga)As quantum-well heterostructuresPhysical Review B, 1988
- Effect of electric fields on excitons in a coupled double-quantum-well structurePhysical Review B, 1987
- Magneto-optical studies of GaAs-As multi-quantum-well structures grown by molecular-beam epitaxyPhysical Review B, 1987
- Observation of luminescence from theheavy-hole exciton in GaAs-(AlGa) As quantum-well structures at low temperaturePhysical Review B, 1986
- Magneto-optics in GaAs-As quantum wellsPhysical Review B, 1986
- Band-Edge Electroabsorption in Quantum Well Structures: The Quantum-Confined Stark EffectPhysical Review Letters, 1984
- Magneto-optical determination of exciton binding energy in GaAs-quantum wellsPhysical Review B, 1984