Theory of piezotronics and piezo-phototronics
Piezotronic and piezo-phototronic devices exhibit high performance and have potential
applications especially in next-generation self-powered, flexible electronics and wearable …
applications especially in next-generation self-powered, flexible electronics and wearable …
Impact of shell growth on recombination dynamics and exciton–phonon interaction in CdSe–CdS core–shell nanoplatelets
We investigate the impact of shell growth on the carrier dynamics and exciton–phonon
coupling in CdSe–CdS core–shell nanoplatelets with varying shell thickness. We observe …
coupling in CdSe–CdS core–shell nanoplatelets with varying shell thickness. We observe …
Simulating the electronic properties of semiconductor nanostructures using multiband k· p models
O Marquardt - Computational Materials Science, 2021 - Elsevier
The eight-band k· p formalism has been successfully applied to compute the electronic
properties of a wide range of semiconductor nanostructures in the past and can be …
properties of a wide range of semiconductor nanostructures in the past and can be …
Locking-Free and Gradient-Robust H (\, div\,) H (div)-Conforming HDG Methods for Linear Elasticity
Robust discretization methods for (nearly-incompressible) linear elasticity are free of volume-
locking and gradient-robust. While volume-locking is a well-known problem that can be dealt …
locking and gradient-robust. While volume-locking is a well-known problem that can be dealt …
Excitonic Aharonov–Bohm oscillations in core–shell nanowires
Phase coherence in nanostructures is at the heart of a wide range of quantum effects such
as Josephson oscillations between exciton–polariton condensates in microcavities …
as Josephson oscillations between exciton–polariton condensates in microcavities …
Modeling the electronic properties of GaAs polytype nanostructures: Impact of strain on the conduction band character
O Marquardt, M Ramsteiner, P Corfdir, L Geelhaar… - Physical Review B, 2017 - APS
We study the electronic properties of GaAs nanowires composed of both the zinc-blende
and wurtzite modifications using a ten-band k· p model. In the wurtzite phase, two …
and wurtzite modifications using a ten-band k· p model. In the wurtzite phase, two …
Impact of alloy fluctuations and Coulomb effects on the electronic and optical properties of c-plane GaN/AlGaN quantum wells
AA Roble, SK Patra, F Massabuau, M Frentrup… - Scientific Reports, 2019 - nature.com
We report on a combined theoretical and experimental study of the impact of alloy
fluctuations and Coulomb effects on the electronic and optical properties of c-plane …
fluctuations and Coulomb effects on the electronic and optical properties of c-plane …
Theoretical and experimental analysis of radiative recombination lifetimes in nonpolar InGaN/GaN quantum dots
We present here a combined experimental and theoretical analysis of the radiative
recombination lifetime in a‐plane (11 0) InGaN/GaN quantum dots. The structures have …
recombination lifetime in a‐plane (11 0) InGaN/GaN quantum dots. The structures have …
[HTML][HTML] Multiscale simulations of the electronic structure of III-nitride quantum wells with varied indium content: Connecting atomistic and continuum-based models
D Chaudhuri, M O'Donovan, T Streckenbach… - Journal of Applied …, 2021 - pubs.aip.org
Carrier localization effects in III-N heterostructures are often studied in the frame of modified
continuum-based models utilizing a single-band effective mass approximation. However …
continuum-based models utilizing a single-band effective mass approximation. However …
Insight into the impact of atomic-and nano-scale indium distributions on the optical properties of InGaN/GaN quantum well structures grown on m-plane freestanding …
We investigate the atomic scale structure of m-plane InGaN quantum wells grown on bulk m-
plane GaN templates and reveal that as the indium content increases there is an increased …
plane GaN templates and reveal that as the indium content increases there is an increased …