Novel InGaSb/AlP quantum dots for non-volatile memories

DS Abramkin, VV Atuchin - Nanomaterials, 2022 - mdpi.com
Non-volatile memories based on the flash architecture with self-assembled III–V quantum
dots (SAQDs) used as a floating gate are one of the prospective directions for universal …

Suppressing the effect of the wetting layer through AlAs capping in InAs/GaAs QD structures for solar cells applications

N Ruiz, D Fernández, L Stanojević, T Ben, S Flores… - Nanomaterials, 2022 - mdpi.com
Recently, thin AlAs capping layers (CLs) on InAs quantum dot solar cells (QDSCs) have
been shown to yield better photovoltaic efficiency compared to traditional QDSCs. Although …

[HTML][HTML] Growth interruption strategies for interface optimization in GaAsSb/GaAsN type-II superlattices

V Braza, T Ben, S Flores, DF Reyes… - Applied Surface …, 2022 - Elsevier
Abstract Recently, GaAsSb/GaAsN type II short-period superlattices (SLs) have been
proposed as suitable structures to be implemented in the optimal design of monolithic multi …

Modelling of the Sb and N distribution in type II GaAsSb/GaAsN superlattices for solar cell applications

DF Reyes, V Braza, A Gonzalo, AD Utrilla… - Applied Surface …, 2018 - Elsevier
GaAsSbN dilute nitrides are potential candidates for integration in high-performance multi-
junction solar cells due to the bandgap tunability in the 1.0–1.15 eV range and the possibility …

Thermal transport through Ge-rich Ge/Si superlattices grown on Ge (0 0 1)

L Thumfart, J Carrete, B Vermeersch… - Journal of Physics D …, 2017 - iopscience.iop.org
The cross-plane thermal conductivities of Ge-rich Si/Ge superlattices have been measured
using both time-domain thermoreflectance and the differential 3${\rm\omega} $ method. The …

Analysis of the modified optical properties and band structure of GaAs1− xSbx-capped InAs/GaAs quantum dots

JM Ulloa, JM Llorens, M Del Moral, M Bozkurt… - Journal of Applied …, 2012 - pubs.aip.org
The origin of the modified optical properties of InAs/GaAs quantum dots (QD) capped with a
thin GaAs 1− x Sb x layer is analyzed in terms of the band structure. To do so, the size …

Quantitative analysis of the interplay between InAs quantum dots and wetting layer during the GaAs capping process

D González, V Braza, AD Utrilla, A Gonzalo… - …, 2017 - iopscience.iop.org
A procedure to quantitatively analyse the relationship between the wetting layer (WL) and
the quantum dots (QDs) as a whole in a statistical way is proposed. As we will show in the …

General route for the decomposition of InAs quantum dots during the capping process

D González, DF Reyes, AD Utrilla, T Ben… - …, 2016 - iopscience.iop.org
The effect of the capping process on the morphology of InAs/GaAs quantum dots (QDs) by
using different GaAs-based capping layers (CLs), ranging from strain reduction layers to …

InAs quantum dot morphology after capping with In, N, Sb alloyed thin films

JG Keizer, JM Ulloa, AD Utrilla… - Applied Physics Letters, 2014 - pubs.aip.org
Using a thin capping layer to engineer the structural and optical properties of InAs/GaAs
quantum dots (QDs) has become common practice in the last decade. Traditionally, the main …

Modelling of bismuth segregation in InAsBi/InAs superlattices: Determination of the exchange energies

S Flores, DF Reyes, V Braza, RD Richards… - Applied Surface …, 2019 - Elsevier
InAsBi dilute alloys are potential new candidates for the improvement of infrared
optoelectronic devices such as photodetectors or lasers. In this work, InAsBi/InAs …