2 papers
cond-mat.mes-hall2025
Unconventional bright ground-state excitons in monolayer TiI from first-principles calculations
Franz Fischer, Carl Emil Mørch Nielsen, Marta Prada +1
Based on \textit{ab initio} screened configuration interaction calculations we find that TiI has a bright exciton ground state and identify two key mechanisms that lead to this…
cond-mat.mtrl-sci2021
Optical Emission from Light-like and Particle-like Excitons in Monolayer Transition Metal Dichalcogenides
Mikkel Ohm Sauer, Carl Emil Mørch Nielsen, Lars Merring-Mikkelsen +1
Several monolayer transition metal dichalcogenides (TMDs) are direct band gap semiconductors and potentially efficient emitters in light emitting devices. Photons are emitted when…