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Article: Magnetic skyrmion logic gates: conversion, duplication and merging of skyrmions

TitleMagnetic skyrmion logic gates: conversion, duplication and merging of skyrmions
Authors
Issue Date2015
Citation
Scientific Reports, 2015, v. 5, article no. 9400 How to Cite?
AbstractMagnetic skyrmions, which are topological particle-like excitations in ferromagnets, have attracted a lot of attention recently. Skyrmionics is an attempt to use magnetic skyrmions as information carriers in next generation spintronic devices. Proposals of manipulations and operations of skyrmions are highly desired. Here, we show that the conversion, duplication and merging of isolated skyrmions with different chirality and topology are possible all in one system. We also demonstrate the conversion of a skyrmion into another form of a skyrmion, i.e., a bimeron. We design spin logic gates such as the AND and OR gates based on manipulations of skyrmions. These results provide important guidelines for utilizing the topology of nanoscale spin textures as information carriers in novel magnetic sensors and spin logic devices.
Persistent Identifierhttp://hdl.handle.net/10722/209324

 

DC FieldValueLanguage
dc.contributor.authorZhang, Xen_US
dc.contributor.authorEzawa, Men_US
dc.contributor.authorZhou, Yen_US
dc.date.accessioned2015-04-17T05:07:12Z-
dc.date.available2015-04-17T05:07:12Z-
dc.date.issued2015en_US
dc.identifier.citationScientific Reports, 2015, v. 5, article no. 9400en_US
dc.identifier.urihttp://hdl.handle.net/10722/209324-
dc.description.abstractMagnetic skyrmions, which are topological particle-like excitations in ferromagnets, have attracted a lot of attention recently. Skyrmionics is an attempt to use magnetic skyrmions as information carriers in next generation spintronic devices. Proposals of manipulations and operations of skyrmions are highly desired. Here, we show that the conversion, duplication and merging of isolated skyrmions with different chirality and topology are possible all in one system. We also demonstrate the conversion of a skyrmion into another form of a skyrmion, i.e., a bimeron. We design spin logic gates such as the AND and OR gates based on manipulations of skyrmions. These results provide important guidelines for utilizing the topology of nanoscale spin textures as information carriers in novel magnetic sensors and spin logic devices.en_US
dc.languageengen_US
dc.relation.ispartofScientific Reportsen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleMagnetic skyrmion logic gates: conversion, duplication and merging of skyrmionsen_US
dc.typeArticleen_US
dc.identifier.emailZhang, X: xichaoz@hku.hken_US
dc.identifier.emailZhou, Y: yanzhou@hku.hken_US
dc.identifier.authorityZhou, Y=rp01541en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/srep09400en_US
dc.identifier.hkuros242812en_US
dc.identifier.volume5en_US
dc.identifier.spagearticle no. 9400en_US
dc.identifier.epagearticle no. 9400en_US

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