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Enhancing the injection locking range of spin torque oscillators through mutual coupling

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dc.contributor.authorRomera Rabasa, Miguel Álvaro
dc.contributor.authorTalatchian, Philippe
dc.contributor.authorLebrun, Romain
dc.contributor.authorMerazzo, Karla
dc.contributor.authorBortolotti, Paolo
dc.contributor.authorVila, Laurent
dc.contributor.authorCosta, José
dc.contributor.authorFerreira, Ricardo
dc.contributor.authorFreitas, Paulo
dc.contributor.authorCyrille, Marie-Claire
dc.contributor.authorEbels, Ursula
dc.contributor.authorCros, Vincent
dc.contributor.authorGrollier, Julie
dc.date.accessioned2024-01-29T13:12:32Z
dc.date.available2024-01-29T13:12:32Z
dc.date.issued2016
dc.description.abstractWe investigate how the ability of the vortex oscillation mode of a spin-torque nano-oscillator to lock to an external microwave signal is modified when it is coupled to another oscillator. We show experimentally that the mutual electrical coupling can lead to locking range enhancements of a factor 1.64. Furthermore, we analyze the evolution of the locking range as a function of the coupling strength through experiments and numerical simulations. By uncovering the mechanisms at stake in the locking range enhancement, our results will be useful for designing spin-torque nano-oscillator arrays with high sensitivities to external microwave stimuli. Published by AIP Publishing.eng
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipEuropean Commission
dc.description.sponsorshipAgence Nationale de la Recherche (France)
dc.description.sponsorshipRenatech Network
dc.description.statuspub
dc.identifier.citationM. Romera, P. Talatchian, R. Lebrun, K. J. Merazzo, P. Bortolotti, L. Vila, J. D. Costa, R. Ferreira, P. P. Freitas, M.-C. Cyrille, U. Ebels, V. Cros, J. Grollier; Enhancing the injection locking range of spin torque oscillators through mutual coupling. Appl. Phys. Lett. 19 December 2016; 109 (25): 252404. https://doi.org/10.1063/1.4972346
dc.identifier.doi10.1063/1.4972346
dc.identifier.essn1077-3118
dc.identifier.issn0003-6951
dc.identifier.officialurlhttps://doi.org/10.1063/1.4972346
dc.identifier.urihttps://hdl.handle.net/20.500.14352/96069
dc.issue.number25
dc.journal.titleApplied Physics Letters
dc.language.isoeng
dc.page.final252404-5
dc.page.initial252404-1
dc.publisherAmerican Institute of Physics
dc.relation.projectIDinfo:eu-repo/grantAgreement/ANR-14-CE26-0021
dc.relation.projectIDinfo:eu-repo/grantAgreement/NORTE-07-0124-FEDER-000050
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/317950
dc.rights.accessRightsrestricted access
dc.subject.cdu538.9
dc.subject.keywordPhase-Locking
dc.subject.keywordMicrowave Generation
dc.subject.keywordNano-Oscillators
dc.subject.keywordSynchronization
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211.17 Propiedades Magnéticas
dc.titleEnhancing the injection locking range of spin torque oscillators through mutual coupling
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number109
dspace.entity.typePublication
relation.isAuthorOfPublication51631258-afb5-4b81-85dd-8dae6ac09259
relation.isAuthorOfPublication.latestForDiscovery51631258-afb5-4b81-85dd-8dae6ac09259

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