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Article: Capacitance effect on the oscillation and switching characteristics of spin torque oscillators

TitleCapacitance effect on the oscillation and switching characteristics of spin torque oscillators
Authors
KeywordsCanted region
Capacitance effect
Oscillation frequency
Switching time
Issue Date2014
PublisherSpringerOpen. The Journal's web site is located at http://www.nanoscalereslett.com
Citation
Nanoscale Research Letters, 2014, v. 9 n. 1, article 597, p. 1-8 How to Cite?
AbstractWe have studied the capacitance effect on the oscillation characteristics and the switching characteristics of the spin torque oscillators (STOs). We found that when the external field is applied, the STO oscillation frequency exhibits various dependences on the capacitance for injected current ranging from 8 to 20 mA. The switching characteristic is featured with the emerging of the canted region; the canted region increases with the capacitance. When the external field is absent, the STO free-layer switching time exhibits different dependences on the capacitance for different injected current. These results help to establish the foundation for capacitance-involved STO modeling.
Persistent Identifierhttp://hdl.handle.net/10722/203999
ISSN
2012 Impact Factor: 2.524
2015 SCImago Journal Rankings: 0.538
PubMed Central ID

 

DC FieldValueLanguage
dc.contributor.authorZeng, Ten_US
dc.contributor.authorZhou, Yen_US
dc.contributor.authorLeung, CWen_US
dc.contributor.authorLai, PTen_US
dc.contributor.authorPong, PWTen_US
dc.date.accessioned2014-09-19T20:01:35Z-
dc.date.available2014-09-19T20:01:35Z-
dc.date.issued2014en_US
dc.identifier.citationNanoscale Research Letters, 2014, v. 9 n. 1, article 597, p. 1-8en_US
dc.identifier.issn1931-7573-
dc.identifier.urihttp://hdl.handle.net/10722/203999-
dc.description.abstractWe have studied the capacitance effect on the oscillation characteristics and the switching characteristics of the spin torque oscillators (STOs). We found that when the external field is applied, the STO oscillation frequency exhibits various dependences on the capacitance for injected current ranging from 8 to 20 mA. The switching characteristic is featured with the emerging of the canted region; the canted region increases with the capacitance. When the external field is absent, the STO free-layer switching time exhibits different dependences on the capacitance for different injected current. These results help to establish the foundation for capacitance-involved STO modeling.-
dc.languageengen_US
dc.publisherSpringerOpen. The Journal's web site is located at http://www.nanoscalereslett.com-
dc.relation.ispartofNanoscale Research Lettersen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCanted region-
dc.subjectCapacitance effect-
dc.subjectOscillation frequency-
dc.subjectSwitching time-
dc.titleCapacitance effect on the oscillation and switching characteristics of spin torque oscillatorsen_US
dc.typeArticleen_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.naturepublished_or_final_version-
dc.identifier.doi10.1186/1556-276X-9-597-
dc.identifier.pmcidPMC4230906-
dc.identifier.scopuseid_2-s2.0-84912003296-
dc.identifier.hkuros253405en_US
dc.identifier.volume9-
dc.identifier.issue1-
dc.identifier.spage1en_US
dc.identifier.epage8en_US
dc.publisher.placeGermany-

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