Antiferromagnetic opto-spintronics

Control and detection of spin order in ferromagnetic materials is the main principle enabling magnetic information to be stored and read in current technologies. Antiferromagnetic materials, on the other hand, are far less utilized, despite having some appealing features. For instance, the absence o...

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Bibliographic Details
Published in:Nature physics 2018-03, Vol.14 (3), p.229-241
Main Authors: Němec, P., Fiebig, M., Kampfrath, T., Kimel, A. V.
Format: Article
Language:English
Subjects:
140/125
639/301/1005/1007
639/301/119/1001
639/301/930/12
639/624/1107/527
639/766/1130/2798
Antiferromagnetism
Atomic
Classical and Continuum Physics
Complex Systems
Condensed Matter Physics
Crosstalk
Electromagnetic radiation
Ferromagnetic materials
Magnetic fields
Magnetic measurement
Magnetism
Magnetization
Mathematical and Computational Physics
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
Review Article
Spintronics
Theoretical
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Summary:Control and detection of spin order in ferromagnetic materials is the main principle enabling magnetic information to be stored and read in current technologies. Antiferromagnetic materials, on the other hand, are far less utilized, despite having some appealing features. For instance, the absence of net magnetization and stray fields eliminates crosstalk between neighbouring devices, and the absence of a primary macroscopic magnetization makes spin manipulation in antiferromagnets inherently faster than in ferromagnets. However, control of spins in antiferromagnets requires exceedingly high magnetic fields, and antiferromagnetic order cannot be detected with conventional magnetometry. Here we provide an overview and illustrative examples of how electromagnetic radiation can be used for probing and modification of the magnetic order in antiferromagnets. We also discuss possible research directions that are anticipated to be among the main topics defining the future of this rapidly developing field. An overview of how electromagnetic radiation can be used for probing and modification of the magnetic order in antiferromagnets, and possible future research directions.
ISSN:1745-2473
1745-2481
DOI:10.1038/s41567-018-0051-x