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Quantitative magnet...
Quantitative magnetic characterization of synthetic ferrimagnets for predictive spin-dynamic behavior
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- Koop, Björn C. (författare)
- KTH,Nanostrukturfysik
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Dzhezherya, Y. I. (författare)
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- Korenivski, Vladislav (författare)
- KTH,Nanostrukturfysik
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(creator_code:org_t)
- 2014
- 2014
- Engelska.
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Ingår i: IEEE transactions on magnetics. - 0018-9464 .- 1941-0069. ; 50:11
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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visa färre...
Abstract
Ämnesord
Stäng
- Geometric or magnetic asymmetries in synthetic antiferromagnetic particles give rise to ferrimagnetic-like magnetization behavior, both quasi-static and dynamic. Such asymmetries in synthetic ferrimagnets can originate from a thickness imbalance or a fringing field from the reference layer in a nanopillar stack. In this paper, we theoretically describe the effects of the corresponding magnetic asymmetry contribution on the structure's static and spin-dynamic behavior. The developed model is then used to experimentally determine the asymmetry parameters of typical nanoscale spin-flop junctions, as well as successfully describe their microwave resonant properties, such as the frequency splitting and the field dependence of the optical spin-resonance spectra.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Magnetic multilayers
- magnetization reversal
- microwave magnetics
- spin valves
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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