Exciton fine structure and spin decoherence in monolayers of transition metal dichalcogenides
By M. Glazov, T. Amand, Xavier Marie, D. Lagarde, L. Bouet, Bernhard Urbaszek. 2014
243 citations recorded by the source corpus.
We study the neutral exciton energy spectrum fine structure and its spin dephasing in transition metal dichalcogenides such as MoS$_2$. The interaction of the mechanical exciton with its macroscopic longitudinal electric field is taken into account. The splitting between the longitudinal and transverse excitons is calculated by means of the both electrodynamical approach and $\mathbf k \cdot \mathbf p$ perturbation theory. This long-range exciton exchange interaction can induce valley polarization decay. The estimated exciton spin dephasing time is in the picosecond range, in agreement with available experimental data.
Subfields: Electrical and Electronic Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/4c83c681fe3c0615e992854582f1664f6aac947b
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In Electrical and Electronic Engineering
In Materials Chemistry
Citations in the corpus
- Valley excitons in two-dimensional semiconductors (2015, background): “The LT splitting can induce valley depolarization and decoherence [73-75].”
- Exciton physics and device application of two-dimensional transition metal dichalcogenide semiconductors (2018, unknown): “mechanism via Coulomb exchange interaction [45, 70].”
- Optical properties of atomically thin transition metal dichalcogenides: observations and puzzles (2016, background): “[112] Glazov MM, Amand T, Marie X, Lagarde D, Bouet L, Urbaszek B.”