Blundo, Elena and Faria, Paulo E. and Surrente, Alessandro and Pettinari, Giorgio and Prosnikov, Mikhail A. and Olkowska-Pucko, Katarzyna and Zollner, Klaus and Wozniak, Tomasz and Chaves, Andrey and Kazimierczuk, Tomasz and Felici, Marco and Babinski, Adam and Molas, Maciej R. and Christianen, Peter C. M. and Fabian, Jaroslav and Polimeni, Antonio (2022) Strain-Induced Exciton Hybridization in WS2 Monolayers Unveiled by Zeeman-Splitting Measurements. PHYSICAL REVIEW LETTERS, 129 (6): 067402. ISSN 0031-9007, 1079-7114
Full text not available from this repository. (Request a copy)Abstract
Mechanical deformations and ensuing strain are routinely exploited to tune the band gap energy and to enhance the functionalities of two-dimensional crystals. In this Letter, we show that strain leads also to a strong modification of the exciton magnetic moment in WS2 monolayers. Zeeman-splitting measurements under magnetic fields up to 28.5 T were performed on single, one-layer-thick WS2 microbubbles. The strain of the bubbles causes a hybridization of k-space direct and indirect excitons resulting in a sizable decrease in the modulus of they factor of the ground-state exciton. These findings indicate that strain may have major effects on the way the valley number of excitons can be used to process binary information in two-dimensional crystals.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | BANDGAP TRANSITION; POLARIZATION; EXCITATIONS; LAYER; WSE2 |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 16 Feb 2024 07:42 |
| Last Modified: | 16 Feb 2024 07:42 |
| URI: | https://pred.uni-regensburg.de/id/eprint/57959 |
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