Exciton–acoustic-phonon scattering in (Zn,Cd)Se/ZnSe quantum wells: The influence of quantum confinement

I. J. Blewett, D. J. Bain, A. Tookey, G. Brown, I. Galbraith, A. K. Kar, B. Vögele, K. A. Prior, B. C. Cavenett, and B. S. Wherrett
Phys. Rev. B 59, 9756 – Published 15 April 1999
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Abstract

The well-width dependence of the exciton–acoustic-phonon scattering rate in (Zn,Cd)Se/ZnSe quantum-well structures is measured using time-integrated femtosecond four-wave mixing at low temperatures, and calculated using a finite-depth quantum-well model. At fixed temperature the highest rates occur at those well widths for which the quantum confinement and the exciton binding energy are maximized.

  • Received 22 May 1998

DOI:https://doi.org/10.1103/PhysRevB.59.9756

©1999 American Physical Society

Authors & Affiliations

I. J. Blewett, D. J. Bain, A. Tookey, G. Brown, I. Galbraith, A. K. Kar, B. Vögele, K. A. Prior, B. C. Cavenett, and B. S. Wherrett

  • Department of Physics, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, United Kingdom

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Vol. 59, Iss. 15 — 15 April 1999

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