First-principles insights into the spin-valley physics of strained transition metal dichalcogenides monolayers

PEF Junior, K Zollner, T Woźniak, M Kurpas… - New Journal of …, 2022 - iopscience.iop.org
Transition metal dichalcogenides (TMDCs) are ideal candidates to explore the manifestation
of spin-valley physics under external stimuli. In this study, we investigate the influence of …

Symmetry breaking via alloy disorder to explain radiative Auger transitions in self-assembled quantum dots

K Gawarecki, C Spinnler, L Zhai, GN Nguyen, A Ludwig… - Physical Review B, 2023 - APS
The optical spectrum of a quantum dot is typically dominated by the fundamental transition
between the lowest-energy configurations. However, the radiative Auger process can result …

[HTML][HTML] Electronic and spectral properties of Ge1− xSnx quantum dots

K Gawarecki, J Ziembicki, P Scharoch… - Journal of Applied …, 2024 - pubs.aip.org
In this paper, we study theoretically the electron and spectral properties of Ge 1− x Sn x
systems, including alloys, cubic-and spherical quantum dots. The single-particle electron …

Enhancement and anisotropy of electron Landé factor due to spin-orbit interaction in semiconductor nanowires

J Czarnecki, A Bertoni, G Goldoni, P Wójcik - Physical Review B, 2024 - APS
We investigate the effective Landé factor in semiconductor nanowires with strong Rashba
spin-orbit coupling. Using the k· p theory and the envelope function approach we derive a …

Minimization of bandstructure dependent dark current in InAs/GaAs quantum dot photodetectors

H Rajanna, K Ghosh - Superlattices and Microstructures, 2021 - Elsevier
The paper presents a theoretical model which illustrates the electron capture and emission
dynamics in InAs/GaAs quantum dot (QD) photodetector and describes the bandstructure …

[PDF][PDF] Electronic and spectral properties of Ge1-xSnx quantum dots: an atomistic study

K Gawarecki, J Ziembicki, P Scharoch… - arXiv preprint arXiv …, 2023 - researchgate.net
In this paper, we study theoretically the electron and spectral properties of Ge1− xSnx
systems, including alloys, cubic-and spherical quantum dots. The single-particle electron …

[PDF][PDF] Nonequilibrium nuclear spin states in singly charged semiconductor quantum dots

I Kleinjohann - 2022 - eldorado.tu-dortmund.de
The spin of a localized charge carrier in a semiconductor nanostructure can be coherently
controlled by external electromagnetic fields. At cryogenic temperatures, the spin coherence …

Atomistic tight-binding calculations of CdSe/CdS core/shell dot-in-hexagonal platelet nanocrystals with interesting electronic structures and optical properties

W Sukkabot - Physica B: Condensed Matter, 2022 - Elsevier
I theoretically determine the electronic and optical signatures of CdSe/CdS core/shell dot-in-
hexagonal platelet nanocrystals with experimentally synthesized dimensions exploiting the …

Optical properties of transition metal dichalcogenide bilayers

Z Li - 2023 - edoc.ub.uni-muenchen.de
Two-dimensional transition metal dichalcogenide (TMD) semiconductors exhibit unique
optoelectronic properties. Rational assembly of individual monolayers into homobilayers or …

Crystal Growth, Characterization and Neutron Scattering Studies of Frustrated SrRE2O4 (RE= Rare Earth) Compounds

WU Si - 2022 - search.proquest.com
Over the last three decades or so, magnetic frustration, as a result of competition between
interactions that cannot be satisfied simultaneously, is a central theme in contemporary …