About: Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present a possibility to switch the chirality of a spin vortex occurring in a magnetic nanodisk by applying a uniform in-plane field pulse, based on optimizing its strength and duration. The related spin-dynamical process, investigated by micromagnetic simulations, consists of several stages. After applying the field, the original vortex is expelled from the disk, after which two C-shaped states oscillate between each other. The essence of the method is based on turning the field off at a suitably chosen moment for which the orientation of the C-state will evolve into the nucleation of a vortex with the desirable chirality. This idea simply uses the information about the original chirality present inside the nanodisk during the dynamic process before losing it in saturation, and can thus be regarded as analogous to the recent studies on the polarity switching. We present a possibility to switch the chirality of a spin vortex occurring in a magnetic nanodisk by applying a uniform in-plane field pulse, based on optimizing its strength and duration. The related spin-dynamical process, investigated by micromagnetic simulations, consists of several stages. After applying the field, the original vortex is expelled from the disk, after which two C-shaped states oscillate between each other. The essence of the method is based on turning the field off at a suitably chosen moment for which the orientation of the C-state will evolve into the nucleation of a vortex with the desirable chirality. This idea simply uses the information about the original chirality present inside the nanodisk during the dynamic process before losing it in saturation, and can thus be regarded as analogous to the recent studies on the polarity switching. (en)
Title	Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) (en)
skos:prefLabel	Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) (en)
skos:notation	RIV/00216208:11320/09:00207256!RIV10-GA0-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP202/09/P355), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	14
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Antoš, Roman
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	341371
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/09:00207256
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Simulations; dynamic; switching; vortex; chirality; magnetic; nanodisks; uniform; field; pulse; Article; 140404 (en)
http://linked.open.../riv/klicoveSlovo	uniform switching vortex pulse 140404 nanodisks Article dynamic Simulations field magnetic chirality
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E99920B05668]
http://linked.open...i/riv/nazevZdroje	Physical Review. B. Condensed Matter
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Theory of dynamic excitations and switching of spin vortex states in thin cylindrical ferromagnetic nanodiscs
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Antoš, Roman Otani, Yoshichika
http://linked.open...ain/vavai/riv/wos	000271351500008
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1098-0121
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404) Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse (Article No. 140404)

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