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Your search keyword '"Samir Melkoud"' showing total 2 results
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2 results on '"Samir Melkoud"'

1. Correlation Between Bands Structure and Quantum Magneto Transport Properties in InAs/GaxIn1−xSb Type II Superlattice for Infrared Detection

Author

Nassima Benchtaber, Abdelhakim Nafidi, Driss Barkissy, Abderrezak Boutramine, Merieme Benaadad, Samir Melkoud, Es-Said Es-Salhi, and Fatiha Chibane

Subjects
bands structure, quantum magneto transport, Shubnikov-de Haas effect, density of states, InAs/GaxIn1-xSb superlattice, infrared detection, Physics, QC1-999
Abstract

We have used the envelope function formalism to investigate the bands structure of LWIR type II SL InAs (d1 = 2. 18d2)/In0.25Ga0.75Sb(d2 = 21.5 Å). Thus, we extracted optical and transport parameters as the band gap, cut off wavelength, carriers effective mass, Fermi level and the density of state. Our results show that the higher optical cut-off wavelength can be achieved with smaller layer thicknesses. The semiconductor-semi metal transition was studied as a function of temperature. Our results permit us the interpretations of Hall and Shubnikov-de Haas effects. These results are in agreement with experimental results in literature and a guide for engineering infrared detectors.

Published
2020
Full Text
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2. Correlation Between Bands Structure and Quantum Magneto Transport Properties in InAs/GaxIn1−xSb Type II Superlattice for Infrared Detection

Author

Abderrezak Boutramine, Merieme Benaadad, Nassima Benchtaber, Driss Barkissy, Es-saïd Es-Salhi, Abdelhakim Nafidi, Fatiha Chibane, and Samir Melkoud

Subjects
Materials science, Infrared, Band gap, Materials Science (miscellaneous), Superlattice, Biophysics, General Physics and Astronomy, 01 natural sciences, symbols.namesake, Effective mass (solid-state physics), 0103 physical sciences, Physical and Theoretical Chemistry, 010306 general physics, Quantum, Mathematical Physics, Condensed matter physics, Fermi level, infrared detection, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Shubnikov-de Haas effect, lcsh:QC1-999, quantum magneto transport, Wavelength, density of states, InAs/GaxIn1-xSb superlattice, symbols, Density of states, bands structure, lcsh:Physics
Abstract

We have used the envelope function formalism to investigate the bands structure of LWIR type II SL InAs (d1 = 2. 18d2)/In0.25Ga0.75Sb(d2 = 21.5 Å). Thus, we extracted optical and transport parameters as the band gap, cut off wavelength, carriers effective mass, Fermi level and the density of state. Our results show that the higher optical cut-off wavelength can be achieved with smaller layer thicknesses. The semiconductor-semi metal transition was studied as a function of temperature. Our results permit us the interpretations of Hall and Shubnikov-de Haas effects. These results are in agreement with experimental results in literature and a guide for engineering infrared detectors.

Published
2020
Full Text
View/download PDF

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