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Conference Paper: Linear Phase Tuning of Spin Torque Oscillators Using In-Plane Microwave Fields

TitleLinear Phase Tuning of Spin Torque Oscillators Using In-Plane Microwave Fields
Authors
Zeng, TZhou, YANAkerman, JLai, PTPong, PWT
KeywordsLocking frequency
Microwave field
Phase lock
Spin torque oscillator
Issue Date2014
PublisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20
Citation
The 3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), Taiwan, 21-25 July 2013. In IEEE Transactions on Magnetics, 2014, v. 50 n. 1, p. article no. 2276665 How to Cite?
DOI: http://dx.doi.org/10.1109/TMAG.2013.2276665
AbstractWe demonstrate numerically and analytically that a nano-pillar spin torque oscillator (STO), operating either with in-plane or out-ofplane free-layer precession, locks to a microwave field ( ) having the same frequency as the STO. By varying the spatial direction of the microwave field, we further show the preferred phase shift ( ) between the STO and can be tuned in a linear fashion. We explain this phenomenon by using a magnetic-energy-based analysis. Our results provide a way to synchronize serially connected STOs by tuning the phase shift of each individual STO with external microwave field, which may enhance the locking efficiency, the locking range, and the output power of the serially connected STOs.
DescriptionSession FA: Spin Dynamics and Micromagnetics
Persistent Identifierhttp://hdl.handle.net/10722/186744
ISSN
0018-9464
2021 Impact Factor: 1.848
2020 SCImago Journal Rankings: 0.620
ISI Accession Number ID
WOS:000330026800019

 

DC FieldValueLanguage
dc.contributor.authorZeng, Ten_US
dc.contributor.authorZhou, YANen_US
dc.contributor.authorAkerman, Jen_US
dc.contributor.authorLai, PTen_US
dc.contributor.authorPong, PWTen_US
dc.date.accessioned2013-08-20T12:19:21Z-
dc.date.available2013-08-20T12:19:21Z-
dc.date.issued2014en_US
dc.identifier.citationThe 3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), Taiwan, 21-25 July 2013. In IEEE Transactions on Magnetics, 2014, v. 50 n. 1, p. article no. 2276665en_US
dc.identifier.issn0018-9464-
dc.identifier.urihttp://hdl.handle.net/10722/186744-
dc.descriptionSession FA: Spin Dynamics and Micromagnetics-
dc.description.abstractWe demonstrate numerically and analytically that a nano-pillar spin torque oscillator (STO), operating either with in-plane or out-ofplane free-layer precession, locks to a microwave field ( ) having the same frequency as the STO. By varying the spatial direction of the microwave field, we further show the preferred phase shift ( ) between the STO and can be tuned in a linear fashion. We explain this phenomenon by using a magnetic-energy-based analysis. Our results provide a way to synchronize serially connected STOs by tuning the phase shift of each individual STO with external microwave field, which may enhance the locking efficiency, the locking range, and the output power of the serially connected STOs.-
dc.languageengen_US
dc.publisherInstitute of Electrical and Electronics Engineers. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=20-
dc.relation.ispartofIEEE Transactions on Magneticsen_US
dc.subjectLocking frequency-
dc.subjectMicrowave field-
dc.subjectPhase lock-
dc.subjectSpin torque oscillator-
dc.titleLinear Phase Tuning of Spin Torque Oscillators Using In-Plane Microwave Fieldsen_US
dc.typeConference_Paperen_US
dc.identifier.emailLai, PT: laip@eee.hku.hken_US
dc.identifier.emailPong, PWT: ppong@eee.hku.hken_US
dc.identifier.authorityLai, PT=rp00130en_US
dc.identifier.authorityPong, PWT=rp00217en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TMAG.2013.2276665-
dc.identifier.scopuseid_2-s2.0-84904348413-
dc.identifier.hkuros220149en_US
dc.identifier.hkuros219871-
dc.identifier.hkuros230868-
dc.identifier.volume50-
dc.identifier.issue1-
dc.identifier.spagearticle no. 2276665-
dc.identifier.epagearticle no. 2276665-
dc.identifier.isiWOS:000330026800019-
dc.publisher.placeUnited States-
dc.identifier.issnl0018-9464-

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