State of the Art of Continuous and Atomistic Modeling of Electromechanical Properties of Semiconductor Quantum Dots

D Barettin - Nanomaterials, 2023 - mdpi.com
The main intent of this paper is to present an exhaustive description of the most relevant
mathematical models for the electromechanical properties of heterostructure quantum dots …

Direct Band Gap AlGaAs Wurtzite Nanowires

D Barettin, IV Shtrom, RR Reznik, SV Mikushev… - Nano Letters, 2023 - ACS Publications
Wurtzite AlGaAs is a technologically promising yet unexplored material. Here we study it
both experimentally and numerically. We develop a complete numerical model based on an …

Electromechanical field effects in InAs/GaAs quantum dots based on continuum k→· p→ and atomistic tight-binding methods

D Barettin, A Pecchia, MA der Maur, A Di Carlo… - Computational Materials …, 2021 - Elsevier
A comparison between k→· p→ and tight-binding methods for the analysis of InAs/GaAs
quantum dot bandstructures is presented based on a fully coupled computation of …

Impact of local composition on the emission spectra of InGaN quantum-dot LEDs

D Barettin, AV Sakharov, AF Tsatsulnikov, AE Nikolaev… - Nanomaterials, 2023 - mdpi.com
A possible solution for the realization of high-efficiency visible light-emitting diodes (LEDs)
exploits InGaN-quantum-dot-based active regions. However, the role of local composition …

Carrier transport and emission efficiency in InGaN quantum-dot based light-emitting diodes

D Barettin, MA der Maur, A Di Carlo, A Pecchia… - …, 2017 - iopscience.iop.org
We present a study of blue III-nitride light-emitting diodes (LEDs) with multiple quantum well
(MQW) and quantum dot (QD) active regions (ARs), comparing experimental and theoretical …

Model of a realistic InP surface quantum dot extrapolated from atomic force microscopy results

D Barettin, R De Angelis, P Prosposito… - …, 2014 - iopscience.iop.org
Model of a realistic InP surface quantum dot extrapolated from atomic force microscopy results
- IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals …

Influence of electromechanical coupling on optical properties of InGaN quantum-dot based light-emitting diodes

D Barettin, MA der Maur, A di Carlo, A Pecchia… - …, 2016 - iopscience.iop.org
The impact of electromechanical coupling on optical properties of light-emitting diodes
(LEDs) with InGaN/GaN quantum-dot (QD) active regions is studied by numerical …

Model of a GaAs Quantum Dot in a Direct Band Gap AlGaAs Wurtzite Nanowire

D Barettin, IV Shtrom, RR Reznik, GE Cirlin - Nanomaterials, 2023 - mdpi.com
We present a study with a numerical model based on k→· p→, including electromechanical
fields, to evaluate the electromechanical and optoelectronic properties of single GaAs …

[PDF][PDF] State of the Art of Continuous and Atomistic Modeling of Electromechanical Properties of Semiconductor quantum Dots. Nanomaterials 2023, 13, 1820

D Barettin - 2023 - academia.edu
The main intent of this paper is to present an exhaustive description of the most relevant
mathematical models for the electromechanical properties of heterostructure quantum dots …

Strain analysis for the prediction of the preferential nucleation sites of stacked quantum dots by combination of FEM and APT

J Hernández-Saz, M Herrera, S Duguay… - Nanoscale Research …, 2013 - Springer
The finite elements method (FEM) is a useful tool for the analysis of the strain state of
semiconductor heterostructures. It has been used for the prediction of the nucleation sites of …