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

Article scientifique 2020 Anglais

Résumé

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=21.5Å). 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.

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Benchtaber, N., Nafidi, A., Barkissy, D., Boutramine, A., Benaadad, M., Melkoud, S., Es-Salhi, E., Chibane, F. (2020). Correlation Between Bands Structure and Quantum Magneto Transport Properties in InAs/GaxIn1−xSb Type II Superlattice for Infrared Detection. https://doi.org/10.3389/fphy.2020.00052

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Auteur(s)

Nassima Benchtaber A. Nafidi Driss Barkissy Abderrazak Boutramine Merieme Benaadad Samir Melkoud Es-saïd Es-Salhi Fatiha Chibane

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