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II-VI semiconductors Epitaxy
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The former GES Epitaxy group has been working on the epitaxy of wide gap semiconductors since 1987. It was involved in the MOCVD growth of wide-gap II-VI semiconductors from 1987 to 1995 and was the coordinating partner in the ESPRIT III Basic research project MTVLE n°6675, which involved THOMSON CSF, Ecole Polytechnique fédérale de Lausanne, EPICHEM Ltd. and ASM France as partners, later rejoined by the LETI. In this project, purity and defect issues were solved which enabled to grow microgun and optically pumped II-VI ZnSSe/ZnSe/ZnCdSe laser structures, emitting in the visible blue, with a low threshold. A wide range of II-VI microstructures as ZnSe/ZnS, ZnTe/ZnSe, ZnCdSe/ZnSe were grown and thoroughly studied in particular regarding their optical properties.
Main publications :
– “Optical spectroscopy in (Zn,Cd)Se-ZnSe graded-index separate-confinement heterostructures”
Aigouy, L ; Mathet, V ; Liaci, F ; Gil, B ; Briot, O ; Briot, N ; Cloitre, T ; Averous, M ; Aulombard, RL
Phys. Rev. B 53, 4708 (1996)
– "Optimization and optical studies of ZnCdSe-ZnSe heterostructures grown by MOVPE"
Cloitre, T ; Aigouy, L ; Gil, B ; Briot, O ; Briot, N ; Alexis, JP ; Aulombard, RL
J. Crystal Growth 159, 438 (1996)
– "Excitons and biexitons in MOVPE-grown ZnS epitaxial layers"
Guennani, D ; Valenta, J ; Manar, A ; Grun, JB ; Cloitre, T ; Briot, O ; Aulombard, RL
Solid State Com. 96, 637 (1995)
– "Reflectivity and photoluminescence measurements in ZnS epilayers grown by Metal-Organic Chemical-Vapor-Deposition"
Abounadi, A ; Diblasio, M ; Bouchara, D ; Calas, J ; Averous, M ; Briot, O ; Briot, N ;
Phys. Rev. B 50, 11677 (1994)
– "Electronic states and binding energies in ZnS-Znse superlattices"
Gil, B ; Cloitre, T ; Diblasio, M ; Bigenwald, P ; Aigouy, L ; Briot, N ; Briot, O ; Bouchara, D ; Aulombard, RL ; Calas, J
Phys. Rev. B 50, 18231 (1994)
– "Low-pressure Metalorganic Vapor-Phase Epitaxy growth of ZnTe using triethylamine dimethylzinc adduct"
Cloitre, T ; Briot, N ; Briot, O ; Gil, B ; Aulombard, RL
J. Crystal Growth 133, 101 (1993)
– "Low-pressure MOVPE growth of ZnSe, ZnTe, and Znse/ZnTe strained-layer superlattices"
Briot, N ; Cloitre, T ; Briot, O ; Gil, B ; Bertho, D ; Jouanin, C ; Aulombard, RL ; Hirtz, JP ; Huber, A
J. Electron. Mater. 22, 537 (1993)
