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 …

Symmetry-adapted calculations of strain and polarization fields in (111)-oriented zinc-blende quantum dots

S Schulz, MA Caro, EP O'Reilly, O Marquardt - Physical Review B …, 2011 - APS
We present expressions for the elastic and first-order piezoelectric tensor in (111)-oriented III-
V zinc-blende semiconductors. Moreover, an equation for the second-order piezoelectric …

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 …

Thickness‐Dependent Strain Effect on the Deformation of the Graphene‐Encapsulated Au Nanoparticles

S Ye, H Huang, C Yuan, F Liu, M Zhai… - Journal of …, 2014 - Wiley Online Library
The strain effect on graphene‐encapsulated Au nanoparticles is investigated. A finite‐
element calculation is performed to simulate the strain distribution and morphology of the …

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 …

Coupling atomistic and continuous media models for electronic device simulation

M Auf der Maur, A Pecchia, G Penazzi… - Journal of …, 2013 - Springer
Coupling atomistic and continuous media models for electronic device simulation |
SpringerLink Skip to main content Advertisement SpringerLink Log in Menu Find a journal …

Electronic Structure of Polar and Semipolar ()-Oriented Nitride Dot-in-a-Well Systems

S Schulz, O Marquardt - Physical Review Applied, 2015 - APS
We present a detailed theoretical analysis of the electrostatic built-in fields and the electronic
structures of polar and semipolar dot-in-a-well systems. Our theory is based on a symmetry …

Strain-induced matrix-dependent deformation of GaAs nanoparticles

C Yuan, Z Jiang, S Ye - Nanoscale, 2014 - pubs.rsc.org
The influence of compressive strain on the deformation of GaAs nanoparticles embedded in
different host matrices is investigated. The simulation results indicate that it can be easier to …