Auteur(s): Liaci F., Aigouy L., Bigenwald P., Gil B., Briot N., Cloitre T., Briot O., Aulombard R.
Conference: IV International Conference on Optics of Excitons in Confined Systems (Cortona, IT, 1995)
Actes de conférence: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS, vol. 17 p.1585 (1995)
Ref HAL: hal-00547074_v1
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Résumé:
We report here on the study of the optical properties of ZnCdSe-ZnSe quantum structures elaborated by metalorganic chemical vapour deposition (MOCVD). The band structure is experimentally investigated by means of photoluminescence and photoreflectance. We have computed the exciton binding energies for heavy- and light-hole excitons in the context of a self-consistent two-parameter trial function. As a complement, we study the temperature dependence of the photoluminescence intensity under both direct and indirect photoexcitation in graded-index separate confinement heterostructures based on these materials.