Perspective: Interface generation of spin-orbit torques
Abstract
We present that most of the modern spintronics developments rely on the manipulation of magnetization states via electric currents, which started with the discovery of spin transfer torque effects 20 years ago. By now, it has been realized that spin-orbit coupling provides a particularly efficient pathway for generating spin torques from charge currents. At the same time, spin-orbit effects can be enhanced at interfaces, which opens up novel device concepts. Here, we discuss two examples of such interfacial spin-orbit torques, namely, systems with inherently two-dimensional materials and metallic bilayers with strong Rashba spin-orbit coupling at their interfaces. We show how ferromagnetic resonance excited by spin-orbit torques can provide information about the underlying mechanisms. In addition, this article provides a brief overview of recent developments with respect to interfacial spin-orbit torques and an outlook of still open questions.
- Authors:
-
- Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division; Northwestern Univ., Evanston, IL (United States). Department of Physics and Astronomy
- Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division; Oakland Univ., Rochester, MI (United States). Department of Physics
- Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division
- Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division; Tsinghua University, and Collaborative Innovation Center of Quantum Matter, Beijing (China). State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics
- Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division; Illinois Inst. of Technology, Chicago, IL (United States). Department of Physics
- Northwestern Univ., Evanston, IL (United States). Department of Physics and Astronomy
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1352575
- Alternate Identifier(s):
- OSTI ID: 1420711
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 18; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Sklenar, Joseph, Zhang, Wei, Jungfleisch, Matthias B., Jiang, Wanjun, Saglam, Hilal, Pearson, John E., Ketterson, John B., and Hoffmann, Axel. Perspective: Interface generation of spin-orbit torques. United States: N. p., 2016.
Web. doi:10.1063/1.4967391.
Sklenar, Joseph, Zhang, Wei, Jungfleisch, Matthias B., Jiang, Wanjun, Saglam, Hilal, Pearson, John E., Ketterson, John B., & Hoffmann, Axel. Perspective: Interface generation of spin-orbit torques. United States. https://doi.org/10.1063/1.4967391
Sklenar, Joseph, Zhang, Wei, Jungfleisch, Matthias B., Jiang, Wanjun, Saglam, Hilal, Pearson, John E., Ketterson, John B., and Hoffmann, Axel. Mon .
"Perspective: Interface generation of spin-orbit torques". United States. https://doi.org/10.1063/1.4967391. https://www.osti.gov/servlets/purl/1352575.
@article{osti_1352575,
title = {Perspective: Interface generation of spin-orbit torques},
author = {Sklenar, Joseph and Zhang, Wei and Jungfleisch, Matthias B. and Jiang, Wanjun and Saglam, Hilal and Pearson, John E. and Ketterson, John B. and Hoffmann, Axel},
abstractNote = {We present that most of the modern spintronics developments rely on the manipulation of magnetization states via electric currents, which started with the discovery of spin transfer torque effects 20 years ago. By now, it has been realized that spin-orbit coupling provides a particularly efficient pathway for generating spin torques from charge currents. At the same time, spin-orbit effects can be enhanced at interfaces, which opens up novel device concepts. Here, we discuss two examples of such interfacial spin-orbit torques, namely, systems with inherently two-dimensional materials and metallic bilayers with strong Rashba spin-orbit coupling at their interfaces. We show how ferromagnetic resonance excited by spin-orbit torques can provide information about the underlying mechanisms. In addition, this article provides a brief overview of recent developments with respect to interfacial spin-orbit torques and an outlook of still open questions.},
doi = {10.1063/1.4967391},
journal = {Journal of Applied Physics},
number = 18,
volume = 120,
place = {United States},
year = {Mon Nov 14 00:00:00 EST 2016},
month = {Mon Nov 14 00:00:00 EST 2016}
}
Web of Science
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