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  Spin transport and spin torque in antiferromagnetic devices

Železný, J., Wadley, P., Olejník, K., Hoffmann, A., & Ohno, H. (2018). Spin transport and spin torque in antiferromagnetic devices. Nature Physics, 14(3), 220-228. doi:10.1038/s41567-018-0062-7.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-ED88-C Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1CEA-7
Genre: Journal Article

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 Creators:
Železný, J.1, Author              
Wadley, P.2, Author
Olejník, K.2, Author
Hoffmann, A.2, Author
Ohno, H.2, Author
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              

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 Abstract: Ferromagnets are key materials for sensing and memory applications. In contrast, antiferromagnets, which represent the more common form of magnetically ordered materials, have found less practical application beyond their use for establishing reference magnetic orientations via exchange bias. This might change in the future due to the recent progress in materials research and discoveries of antiferromagnetic spintronic phenomena suitable for device applications. Experimental demonstration of the electrical switching and detection of the Neel order open a route towards memory devices based on antiferromagnets. Apart from the radiation and magnetic-field hardness, memory cells fabricated from antiferromagnets can be inherently multilevel, which could be used for neuromorphic computing. Switching speeds attainable in antiferromagnets far exceed those of ferromagnetic and semiconductor memory technologies. Here, we review the recent progress in electronic spin-transport and spin-torque phenomena in antiferromagnets that are dominantly of the relativistic quantum-mechanical origin. We discuss their utility in pure antiferromagnetic or hybrid ferromagnetic/antiferromagnetic memory devices.

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Language(s): eng - English
 Dates: 2018-03-202018-03-20
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000426546300011
DOI: 10.1038/s41567-018-0062-7
 Degree: -

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Title: Nature Physics
  Other : Nat. Phys.
Source Genre: Journal
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Publ. Info: London : Nature Pub. Group
Pages: - Volume / Issue: 14 (3) Sequence Number: - Start / End Page: 220 - 228 Identifier: ISSN: 1745-2473
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000025850