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Conference Paper: Micromagnetic simulation of size effects on the properties of ferromagnetic materials

TitleMicromagnetic simulation of size effects on the properties of ferromagnetic materials
Authors
KeywordsCoercivity
Ferromagnetic
Micromagnetic
Nanoparticle
Issue Date2007
PublisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.net
Citation
Key Engineering Materials, 2007, v. 334-335 II, p. 1125-1128 How to Cite?
AbstractMicromagnetic simulation was carried out to investigate the behavior of ferromagnetic materials at a very small length scale, at which the materials usually exhibit different properties compared with those of the corresponding bulk materials. By solving the time and spatial dependent Landau-Lifshitz- Gilbert (LLG) equation in reciprocal space using fast Fourier transformation (FFT) technique, the equilibrium magnetization state was, thus, achieved. The hysteresis loops were also simulated, from which the relation of coercivity and characteristic length was established. Besides, the effect of external stress on coercivity was also taken into consideration. The results showed that at such length scales the external stress strongly affected the magnetic behavior of ferromagnetic materials.
Persistent Identifierhttp://hdl.handle.net/10722/158968
ISSN
2005 Impact Factor: 0.224
2015 SCImago Journal Rankings: 0.173
References

 

DC FieldValueLanguage
dc.contributor.authorHu, RLen_US
dc.contributor.authorSoh, AKen_US
dc.date.accessioned2012-08-08T09:04:51Z-
dc.date.available2012-08-08T09:04:51Z-
dc.date.issued2007en_US
dc.identifier.citationKey Engineering Materials, 2007, v. 334-335 II, p. 1125-1128en_US
dc.identifier.issn1013-9826en_US
dc.identifier.urihttp://hdl.handle.net/10722/158968-
dc.description.abstractMicromagnetic simulation was carried out to investigate the behavior of ferromagnetic materials at a very small length scale, at which the materials usually exhibit different properties compared with those of the corresponding bulk materials. By solving the time and spatial dependent Landau-Lifshitz- Gilbert (LLG) equation in reciprocal space using fast Fourier transformation (FFT) technique, the equilibrium magnetization state was, thus, achieved. The hysteresis loops were also simulated, from which the relation of coercivity and characteristic length was established. Besides, the effect of external stress on coercivity was also taken into consideration. The results showed that at such length scales the external stress strongly affected the magnetic behavior of ferromagnetic materials.en_US
dc.languageengen_US
dc.publisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.neten_US
dc.relation.ispartofKey Engineering Materialsen_US
dc.subjectCoercivityen_US
dc.subjectFerromagneticen_US
dc.subjectMicromagneticen_US
dc.subjectNanoparticleen_US
dc.titleMicromagnetic simulation of size effects on the properties of ferromagnetic materialsen_US
dc.typeConference_Paperen_US
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, AK=rp00170en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-33847069217en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33847069217&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume334-335 IIen_US
dc.identifier.spage1125en_US
dc.identifier.epage1128en_US
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridHu, RL=13606954800en_US
dc.identifier.scopusauthoridSoh, AK=7006795203en_US

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