Výsledky vyhledávání - "R. L. Aulombard"

DX-Like behavior of Se-impurity centers in gasb under hydrostatic pressure

Autor: B. Goutiers, R. L. Aulombard, K. Zitouni, L. Konczewicz, A. Kadri, J. C. Portal

Publikováno v: High Pressure Research. 3:18-20

Hall coefficient (RH) and electrical resistivity measurements have been performed as a function of temperature (between 77 K and 300 K) and under hydrostatic pressures (up to 15 kbar) on a set of Se-doped GaSb samples with impurity concentrations in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c831a819e175cb81036660623936128
https://doi.org/10.1080/08957959008246019

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Short-range resonant electron scattering in Se- and S-doped GaxIn1-x Sb under hydrostatic pressure

Autor: J. C. Portal, R. L. Aulombard, K. Zitouni, A. Kadri

Publikováno v: High Pressure Research. 3:6-8

Electron scattering mechanisms have been investigated in Se- and S-doped GaxIn1-xSb alloys by measuring the Hall mobilities as a function of hydrostatic pressures up to 25 kbar at temperatures down to 4.2 K. The analysis of the data shows that the Br

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3dd4e1a7e6626360b4e37b98ce7d6cc4
https://doi.org/10.1080/08957959008246015

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ZnCdSe-ZnSe heterostructures grown by MOVPE

Autor: Thierry Cloitre, R. L. Aulombard, B. Honerlague, A. Chergui, S. Sanchez

Publikováno v: MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGYVolume: 43Issue: 1-3Pages: 16-20
European-Materials-Research-Society 1996 Spring Meeting, Symposium C: UV, Blue and Green Light Emission from Semiconductor Materials
European-Materials-Research-Society 1996 Spring Meeting, Symposium C: UV, Blue and Green Light Emission from Semiconductor Materials, Jun 1996, Strasbourg, France. pp.16-20, ⟨10.1016/S0921-5107(96)01825-9⟩

International audience; We have grown graded index separate confinement heterostructures (GRIN-SCH) for microgun blue-green laser by low pressure MOVPE. A first study was carried out using selenium hydride, dimethyl cadmium and two dimethylzinc adduc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14392080942792a91610fe3480e4b663
https://hal.archives-ouvertes.fr/hal-01816871

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Optical spectroscopy in (Zn,Cd)Se-ZnSe graded-index separate-confinement heterostructures

Autor: Bernard Gil, F. Liaci, V. Mathet, M. Averous, Thierry Cloitre, Olivier Briot, N. Briot, R. L. Aulombard, L. Aigouy

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 1996, 53 (8), pp.4708
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International audience; We report a detailed examination of the electronic structure and of the thermal transport in a graded-index separate-confinement heterostructure based on (Zn,Cd)Se wide-band-gap II-VI semiconductors, and designed in the view o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f38dd85e1cc1b14c1437b05382362cd0
https://pubmed.ncbi.nlm.nih.gov/9984031

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Electronic states and binding energies in ZnS-ZnSe superlattices

Autor: J. Calas, Thierry Cloitre, D. Bouchara, M. Di Blasio, Pierre Bigenwald, Bernard Gil, L. Aigouy, Olivier Briot, N. Briot, R. L. Aulombard

Publikováno v: Physical review. B, Condensed matter. 50(24)

We present a detailed study of the optical properties of short-period ZnS-ZnSe strained-layer superlattices. These superlattices have been grown by metalorganic vapor-phase epitaxy. We show that the photoluminescence exhibits a low-energy tail due to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed5139973456ec08a887cf7f8fb7ae67
https://pubmed.ncbi.nlm.nih.gov/9976258

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Akademický článek

Giant second-harmonic generation due to quasi-phase matching in a one-dimensional GaN photonic crystal.

Autor: J. Torres, D. Coquillat, R. Legros, J. P. Lascaray, S. Ruffenach, O. Briot, R. L. Aulombard, D. Peyrade, Y. Chen, M. Le Vassor d'Yerville, E. Centeno, D. Cassagne, J. P. Albert

Publikováno v: Physica Status Solidi (B); Nov2003, Vol. 240 Issue 2, p455-458, 4p

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Tailoring of the Valence Band Offset in the ZnSe/ZnTe Strained-Layer Superlattices Using Strong Built-in Strain Fields

Autor: Olivier Briot, Bernard Gil, T. Cloitre, P. Boring, N. Briot, B.E. Ponga, R. L. Aulombard

Publikováno v: Japanese Journal of Applied Physics. 32:147

ZnSe/ZnTe strained-layer short period superlattices have been grown by MOVPE. Using well adapted buffer layers, we could tune the internal built-in strain of the individual layers. We studied both free standing superlattices and strained-layer superl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e6c5d98387992991b5ea6d11c585659
https://doi.org/10.7567/jjaps.32s1.147

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Resonant DX centers in highly doped Sn-Ga1−xAlxAs under hydrostatic pressure in magnetic field

Autor: R. L. Aulombard, J. C. Portal, P. Basmaji, Pierre Gibart

Publikováno v: Solid State Communications. 63:73-76

We report experimental evidence of deep impurity states producing a localized resonance in the Γ 1c band continuum in highly doped Sn-Ga 1− x Al x As. At low temperatures and increasing pressure, electrons were transferred from the Γ 1c band to t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ecc6a2f83f46e557abe664ddbfe40ea7
https://doi.org/10.1016/0038-1098(87)91168-9

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