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Impact of Random Gr...
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Capriata, Corrado Carlo MariaKTH,Elektronik och inbyggda system
(författare)
Impact of Random Grain Structure on Spin-Hall Nano-Oscillator Modal Stability
- Artikel/kapitelEngelska2022
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Institute of Electrical and Electronics Engineers (IEEE),2022
Nummerbeteckningar
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LIBRIS-ID:oai:gup.ub.gu.se/313507
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https://gup.ub.gu.se/publication/313507URI
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https://doi.org/10.1109/LED.2021.3137952DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-309001URI
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20220329
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Spin-Hall nano-oscillators are a promising class of microwave spintronic devices with potential applications in RF/microwave communication and neuromorphic computing. The nano-constriction spin-Hall nano-oscillators (NC-SHNO) have relatively high power, narrow linewidth, and low drive current. Several synchronization schemes e.g. arrays of spin-wave coupled oscillators have been proposed for more stable operation and higher output power. For such arrays, it is crucial to have good oscillator stability and small device-to-device variability. Here, a micromagnetic simulation technique is proposed that includes realistic material properties and hence enables variability and modal stability to be investigated. It is demonstrated, using both measurements and simulation, that the presence of physical grains in the free magnetic layer can induce multiple oscillation modes or frequency sidebands. Our investigation could help in the development of more stable NC-SHNOs that would enable oscillator arrays with stronger synchronization. Author
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Jiang, S.Northwestern Polytech Univ, Sch Microelect, Xian 710072, Peoples R China.
(författare)
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Åkerman, Johan,1970Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Dept Phys, S-40530 Gothenburg, Sweden.(Swepub:gu)xkerjo
(författare)
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Malm, B. Gunnar,1972-KTH,Elektronik och inbyggda system(Swepub:kth)u13lag9j
(författare)
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KTHElektronik och inbyggda system
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:IEEE Electron Device Letters: Institute of Electrical and Electronics Engineers (IEEE)43:2, s. 312-3150741-31061558-0563
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