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- Publisher
- American Physical Society (APS)
- Copyright
- Copyright © 2000 The American Physical Society
- ISSN
- 1095-3795
- DOI
- 10.1103/PhysRevB.61.9960
- Publisher site
- See Article on Publisher Site
Abstract
The properties of optical phonons and excitons in four zinc-compound quantum wells, in which the well layers are made of ternary mixed crystals, are investigated theoretically. The optical phonon frequencies and the electron–LO-phonon coupling constants of the well materials are calculated by using a mixed crystal theory. The interface optical phonon energies and dispersion relations, the exciton binding energies and the exciton–LO-phonon interaction energies are calculated as functions of the well width and the concentration x . The effects of the mixed crystal on the exciton–optical-phonon interaction in the quantum wells are discussed.
Journal
Physical Review B – American Physical Society (APS)
Published: Apr 15, 2000