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Article: Tunable intrinsic phase of a spin torque oscillator

TitleTunable intrinsic phase of a spin torque oscillator
Authors
Issue Date2008
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2008, v. 92 n. 9 How to Cite?
AbstractWe show analytically why a spin torque oscillator (STO) locks to an alternating current (Iac), having the same frequency as the STO, at a nontrivial, intrinsic, phase value Δ φ0. We determine both the stability and the exact phase of the locked state and explain the recently observed phase jump by about 180° at the in-plane-to-out-of-plane precession boundary. Δ φ0 depends on the STO material parameters and is tunable through both the applied field and the dc current, which provides an additional control of the exact I-V phase in an STO driven radio frequency circuit. © 2008 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/159776
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, Yen_HK
dc.contributor.authorPersson, Jen_HK
dc.contributor.authorBonetti, Sen_HK
dc.contributor.authorÅkerman, Jen_HK
dc.date.accessioned2012-08-16T05:56:32Z-
dc.date.available2012-08-16T05:56:32Z-
dc.date.issued2008en_HK
dc.identifier.citationApplied Physics Letters, 2008, v. 92 n. 9en_HK
dc.identifier.issn0003-6951en_HK
dc.identifier.urihttp://hdl.handle.net/10722/159776-
dc.description.abstractWe show analytically why a spin torque oscillator (STO) locks to an alternating current (Iac), having the same frequency as the STO, at a nontrivial, intrinsic, phase value Δ φ0. We determine both the stability and the exact phase of the locked state and explain the recently observed phase jump by about 180° at the in-plane-to-out-of-plane precession boundary. Δ φ0 depends on the STO material parameters and is tunable through both the applied field and the dc current, which provides an additional control of the exact I-V phase in an STO driven radio frequency circuit. © 2008 American Institute of Physics.en_HK
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/en_HK
dc.relation.ispartofApplied Physics Lettersen_HK
dc.titleTunable intrinsic phase of a spin torque oscillatoren_HK
dc.typeArticleen_HK
dc.identifier.emailZhou, Y: yanzhou@hku.hken_HK
dc.identifier.authorityZhou, Y=rp01541en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1063/1.2891058en_HK
dc.identifier.scopuseid_2-s2.0-40549102449en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-40549102449&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume92en_HK
dc.identifier.issue9en_HK
dc.identifier.eissn1077-3118-
dc.identifier.isiWOS:000253761500069-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhou, Y=51360911500en_HK
dc.identifier.scopusauthoridPersson, J=25031767000en_HK
dc.identifier.scopusauthoridBonetti, S=23972463400en_HK
dc.identifier.scopusauthoridÅkerman, J=7003585708en_HK

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