期刊
SPINTRONICS XV
卷 12205, 期 -, 页码 -出版社
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2632847
关键词
Magnetic phase transition; two-dimensional materials; magnetic semiconductor; strain
资金
- DoE, BES [DE-SC0018171]
- Air Force Office of Scientific Research (AFOSR) Multidisciplinary University Research Initiative (MURI) program [FA9550-19-1-0390]
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF6759]
- NSF MRSEC [DMR-1719797]
- Graduate Fellowship from Clean Energy Institute - State of Washington
- David and Lucile Packard Foundation
- Micron Foundation
- Center on Programmable Quantum Materials, an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) [DESC0019443]
- U.S. Department of Energy (DOE) [DE-SC0018171] Funding Source: U.S. Department of Energy (DOE)
In this paper, we review recent progress in studying and controlling magneto-exciton coupling in the layered antiferromagnetic semiconductor CrSBr. We found that the magnetic order in this material can be controlled by the application of tensile strain, with a reversible AFM to FM transition occurring at large but experimentally feasible strains. These results establish CrSBr as an exciting platform for harnessing spin-charge-lattice coupling to the 2D limit.
The coupling of spin and charge in magnetic semiconductors lies at the heart of the field of spintronics and has attracted significant interest for new computing technologies. In this paper, we will review our recent progress in studying and controlling magneto-exciton coupling in the layered antiferromagnetic semiconductor CrSBr. The anisotropic Wannier-type excitons in this material serve as a sensor of the interlayer magnetic coupling. Using this exciton sensor, we found that the magnetic order is extremely tunable by the application of tensile strain, with a reversible AFM to FM transition occurring at large but experimentally feasible strains. These results establish CrSBr as an exciting platform for harnessing spin-charge-lattice coupling to the 2D limit.
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