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Conference Paper: Spin torque oscillators and RF currents Modulation, locking, and ringing

TitleSpin torque oscillators and RF currents Modulation, locking, and ringing
Authors
Issue Date2011
PublisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/10584587.asp
Citation
Integrated Ferroelectrics, 2011, v. 125 n. 1, p. 147-154 How to Cite?
AbstractWe study the interaction between a nano-contact spin torque oscillator (STO) and injected radio-frequency and microwave currents. Modulation of the STO signal is observed over a wide frequency range from 100 MHz to 3.2 GHz. The modulation sidebands agree well with macrospin simulations. When the injected microwave frequency approaches that of the STO, we observe injection locking, frequency pulling/pushing, and intermodulation peaks. While the intermodulation peaks are reasonably well reproduced by macrospin simulations, they do not follow the Adler's model. We argue that this discrepancy is due to intrinsic ringing effects stemming from the internal dynamics of the STO. Copyright © 2011 Taylor & Francis Group, LLC.
Persistent Identifierhttp://hdl.handle.net/10722/160474
ISSN
2015 Impact Factor: 0.375
2015 SCImago Journal Rankings: 0.186
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorMuduli, PKen_HK
dc.contributor.authorPogoryelov, Yen_HK
dc.contributor.authorZhou, Yen_HK
dc.contributor.authorMancoff, Fen_HK
dc.contributor.authorÅkerman, Jen_HK
dc.date.accessioned2012-08-16T06:12:00Z-
dc.date.available2012-08-16T06:12:00Z-
dc.date.issued2011en_HK
dc.identifier.citationIntegrated Ferroelectrics, 2011, v. 125 n. 1, p. 147-154en_US
dc.identifier.issn1058-4587en_HK
dc.identifier.urihttp://hdl.handle.net/10722/160474-
dc.description.abstractWe study the interaction between a nano-contact spin torque oscillator (STO) and injected radio-frequency and microwave currents. Modulation of the STO signal is observed over a wide frequency range from 100 MHz to 3.2 GHz. The modulation sidebands agree well with macrospin simulations. When the injected microwave frequency approaches that of the STO, we observe injection locking, frequency pulling/pushing, and intermodulation peaks. While the intermodulation peaks are reasonably well reproduced by macrospin simulations, they do not follow the Adler's model. We argue that this discrepancy is due to intrinsic ringing effects stemming from the internal dynamics of the STO. Copyright © 2011 Taylor & Francis Group, LLC.en_HK
dc.languageengen_US
dc.publisherTaylor & Francis Inc. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/10584587.aspen_HK
dc.relation.ispartofIntegrated Ferroelectricsen_HK
dc.titleSpin torque oscillators and RF currents Modulation, locking, and ringingen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailZhou, Y: yanzhou@hku.hken_HK
dc.identifier.authorityZhou, Y=rp01541en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1080/10584587.2011.574478en_HK
dc.identifier.scopuseid_2-s2.0-79961181484en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961181484&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume125en_HK
dc.identifier.issue1en_HK
dc.identifier.spage147en_HK
dc.identifier.epage154en_HK
dc.identifier.isiWOS:000297009300019-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridMuduli, PK=9437116000en_HK
dc.identifier.scopusauthoridPogoryelov, Y=6507769217en_HK
dc.identifier.scopusauthoridZhou, Y=51360911500en_HK
dc.identifier.scopusauthoridMancoff, F=6603390526en_HK
dc.identifier.scopusauthoridÅkerman, J=7003585708en_HK

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