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 …

Enhancing the performance of heterogeneously coupled InAs Stranski-Krastanov on submonolayer quantum dot heterostructures

J Saha, P Raut, R Ramavath, D Panda, D Das… - Superlattices and …, 2019 - Elsevier
A detail investigation on enhancing the performance of heterogeneously coupled Stranski–
Krastanov (SK) on Submonolayer (SML) quantum dot (QD) heterostructure has been done …

Hybrid strain-coupled multilayer SK and SML InAs/GaAs quantum dot heterostructure: Enabling higher absorptivity and strain minimization for enhanced optical and …

R Gourishetty, D Panda, S Dongre, J Saha… - Journal of …, 2021 - Elsevier
The size and shape of self-assembled quantum dots (QDs) in the top layer of a strain-
coupled multilayer Stranski-Krastanov (SK) type QD heterostructure is decided by the effect …

Evaluation of In (Ga) As capping in a multilayer coupled InAs quantum dot system: Growth strategy involving the same overgrowth percentage

R Gourishetty, D Panda, S Dongre, SA Gazi… - Journal of …, 2021 - Elsevier
Abstract Strain-coupled multilayer Quantum Dot (QD) structures draw a great attention these
days because of their superior optical and device performance. However, these coupled …

Study on inter band and inter sub-band optical transitions with varying InAs/InGaAs sub-monolayer quantum dot heterostructure stacks grown by molecular beam …

SR Shriram, R Kumar, D Panda, J Saha… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Multiple stacking of sub-monolayer (SML) quantum dot (QD) heterostructure exhibits high
optical quality and is seen in devices like lasers diodes, photodetectors, etc. In this study, we …

Optimization of hybrid InAs stranski krastanov and submonolayer quantum dot heterostructures and its effect on photovoltaic energy conversion efficiency in near …

D Das, DP Panda, B Tongbram, J Saha, V Chavan… - Solar Energy, 2018 - Elsevier
We are introducing here hybrid Stranski Krastanov (SK) on submonolayer (SML) quantum
dot (QD) heterostructure for improved photovoltaic energy conversion in the near infrared …

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 …

Vertically coupled hybrid InAs sub-monolayer on InAs Stranski–Krastanov quantum dot heterostructure: toward next generation broadband IR detection

D Das, J Saha, D Panda, B Tongbram… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In the present article, we are introducing a novel heterogeneously coupled InAs
Submonolayer (SML) on Stranski-Krastanov (SK) quantum dot (QD) heterostructure with …

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 …

The role and growth of strain–reducing layer by molecular-beam epitaxy in a multi–stack InAs/(In, Ga) As sub-monolayer quantum dot heterostructure

SR Shriram, D Panda, R Kumar, J Saha, B Tongbram… - Optical Materials, 2021 - Elsevier
The present study focuses on a growth strategy to achieve a uniform (and larger) dot size
distribution in a multi-stack InAs/InGaAs sub-monolayer (SML) quantum dot (QD) …