The coupling between two heterogeneous InAs quantum dot families and its effect into optical properties

D Das, D Panda, H Rawool, V Chavan… - MRS Advances, 2017 - cambridge.org
In this study, we present the coupling between InAs submonolayer (SML) and stranski
krastanov (SK) quantum dots (QDs). Interaction between these two different dot families has …

Optimization of InAs quantum dots through growth interruption on InAs/GaAs quantum dot heterostructure

B Tongbram, A Ahmad, S Sengupta, A Mandal… - Journal of …, 2017 - Elsevier
This study investigates the optical and structural properties of multilayer InAs QDs
heterostructures designed with varying levels of growth interruption. Samples were subject …

Structural, Optical and Spectral Behaviour of InAs-Based Quantum Dot Heterostructures

S Sengupta, S Chakrabarti - 2018 - Springer
This monograph is based on research into the structural, optical and spectral properties of
InAs/(In)(Al) GaAs quantum dot (QD) heterostructures, grown by using molecular beam …

Altering the optical properties of GaAsSb-capped InAs quantum dots by means of InAlAs interlayers

A Salhi, S Alshaibani, Y Alaskar, H Albrithen… - Nanoscale Research …, 2019 - Springer
In this work, we investigate the optical properties of InAs quantum dots (QDs) capped with
composite In 0.15 Al 0.85 As/GaAs 0.85 Sb 0.15 strain-reducing layers (SRLs) by means of …

Improved optical properties of InAs submonolayer quantum dots in GaAsSb/InGaAs double-well structure

WS Liu, TK Yang, WJ Hsueh, JI Chyi, TY Huang… - Applied Physics …, 2019 - pubs.aip.org
In this study, multistacked InAs submonolayer (SML) quantum dots (QDs) were sandwiched
in an InGaAs/GaAsSb dot-in-a-double-well (DDwell) structure to enhance the crystal quality …

Improved carrier transfer in vertically coupled surface and buried InAs Stranski-Krastanov quantum dot system via ex-situ surface state passivation

MR Mantri, D Panda, D Das, S Mondal, S Paul… - Journal of …, 2020 - Elsevier
In this work, the authors have investigated the optical and morphological characteristics of
uncapped InAs quantum dots (QDs) and their sensitivity to the surface passivation. The …

Influence of GaAs/InAs quasi-monolayer on the structural and optical properties of InAs/GaAs quantum dots

JY Leem, M Jeon, J Lee, G Cho, CR Lee, JS Kim… - Journal of crystal …, 2003 - Elsevier
InAs QDs on strained {GaAs/InAs} quasi-monolayer (QML) with an alternative growth
mechanism were grown by molecular beam epitaxy (MBE). The properties of quantum dots …

Self-assembled InAs quantum dots with two different matrix materials

JS Kim - Journal of crystal growth, 2006 - Elsevier
The effects of matrix materials on the structural and optical properties of self-assembled InAs
quantum dots (QDs) grown by a molecular beam epitaxy were investigated by atomic force …

A comprehensive analysis of strain profile in the heterogeneously coupled Stranski-Krastanov (SK) on Submonolayer (SML) quantum dot heterostructures

S Choudhary, J Saha, B Tongbram, D Panda… - Journal of Alloys and …, 2020 - Elsevier
In this study, we demonstrate a detailed strain analysis of the heterogeneously coupled
Stranski Krastanov (SK) on Submonolayer (SML) InAs quantum dot heterostructures with …

Photoluminescence properties of type I InAs/InGaAsSb quantum dots

A Ben Mansour, R Sellami, A Melliti, A Salhi - The European Physical …, 2022 - Springer
This paper presents a detailed study on the effect of the strain reducing layer (SRL) made
with InGaAsSb on the photoluminescence (PL) of type I InAs/GaAs quantum dots (QDs). For …