Spin-transfer torque induced spin waves in antiferromagnetic insulators
Journal Article
·
· New Journal of Physics
- Carnegie Mellon Univ., Pittsburgh, PA (United States)
- Fudan Univ., Shanghai (China). State Key Laboratory of Surface Physics and Department of Physics
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
We explore the possibility of exciting spin waves in insulating antiferromagnetic films by injecting spin current at the surface. We analyze both magnetically compensated and uncompensated interfaces. We find that the spin current induced spin-transfer torque can excite spin waves in insulating antiferromagnetic materials and that the chirality of the excited spin wave is determined by the polarization of the injected spin current. Furthermore, the presence of magnetic surface anisotropy can greatly increase the accessibility of these excitations.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1336594
- Journal Information:
- New Journal of Physics, Vol. 17; ISSN 1367-2630
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 20 works
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