Structural and optical characteristics of epitaxially grown AlGaAsBi on GaAs for potential application in ultra-low noise avalanche photodiodes

V Braza, T Ben, DF Reyes, NJ Bailey, MR Carr… - Applied Surface …, 2025 - Elsevier
The recent addition of Bi to GaAs has been demonstrated to be an effective method for
reducing excess noise in avalanche photodiodes (APDs), owing to the significant decrease …

Sb segregation in ultrathin GaAsSb layers: A quantitative analysis of soaking/desorption stages

S Flores, V Braza, DF Reyes, T Ben, AG Carro… - Applied Surface …, 2024 - Elsevier
We present a quantitative analysis of Sb segregation in ultrathin GaAsSb films (1–20 ML)
grown with soaking/desorption methods. Sb soaking advances Sb incorporation almost to …

Identification of the Segregation Kinetics of Ultrathin GaAsSb/GaAs Films Using AlAs Markers

D Gonzalez, S Flores, V Braza, DF Reyes, AG Carro… - Nanomaterials, 2023 - mdpi.com
For optoelectronic devices from the near to the far infrared, the advantages of using ultrathin
III-Sb layers as quantum wells or in superlattices are well known. However, these alloys …

InP-based GaAsSb/AlGaAsSb/T2SL barrier-type low-bias tunable dual-band NIR/eSWIR photodetectors

Y Liang, W Zhou, X Su, N Li, F Chang, R **e, H Yu… - Optics …, 2024 - opg.optica.org
A bias-selectable near-infrared (NIR) and extended short wavelength infrared (eSWIR) dual-
band bandgap engineered Ga_0. 51As_0. 49Sb/Al_0. 85Ga_0. 15AsSb/T2SL (In_0 …

Interdiffusion induced changes in the absorption spectra of III-V quantum dot systems

S Kumar, A Rai, SSA Askari - Optik, 2025 - Elsevier
III-V Semiconductor quantum dots (QDs) grown with growth interruption technique do not
have uniform group III composition inside the dot. Modelling such as-grown structures …

Linear and nonlinear optical properties of laser-dressed V-shaped gallium arsenide/gallium arsenide antimonide/gallium arsenide quantum wells with different …

S Maleki, A Haghighatzadeh… - Journal of …, 2024 - spiedigitallibrary.org
A single GaAs/GaAsSb/GaAs quantum well having a valence band profile was described in
this study using the V-shaped potential. An external static electric field (E-field) and a high …

[PDF][PDF] Identification of the Segregation Kinetics of Ultrathin GaAsSb/GaAs Films Using AlAs Markers. Nanomaterials 2023, 13, 798

D Gonzalez, S Flores, V Braza, DF Reyes, AG Carro… - 2023 - oa.upm.es
For optoelectronic devices from the near to the far infrared, the advantages of using ultrathin
III-Sb layers as quantum wells or in superlattices are well known. However, these alloys …

Identification of the Segregation Kinetics of Ultrathin GaAsSb/GaAs Films Using AlAs Markers

D González Robledo, S Flores Gallegos… - 2023 - rodin.uca.es
For optoelectronic devices from the near to the far infrared, the advantages of using ultrathin
III-Sb layers as quantum wells or in superlattices are well known. However, these alloys …