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Thermodynamics of emergent magnetic charge screening in artificial spin ice

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Farhan, Alan
dc.contributor.author Scholl, Andreas
dc.contributor.author Petersen, Charlotte F.
dc.contributor.author Anghinolfi, Luca
dc.contributor.author Wuth, Clemens
dc.contributor.author Dhuey, Scott
dc.contributor.author Chopdekar, Rajesh V.
dc.contributor.author Mellado, Paula
dc.contributor.author Alava, Mikko J.
dc.contributor.author Van Dijken, Sebastiaan
dc.date.accessioned 2016-10-13T06:09:51Z
dc.date.issued 2016-09-01
dc.identifier.citation Farhan , A , Scholl , A , Petersen , C F , Anghinolfi , L , Wuth , C , Dhuey , S , Chopdekar , R V , Mellado , P , Alava , M J & Van Dijken , S 2016 , ' Thermodynamics of emergent magnetic charge screening in artificial spin ice ' , Nature Communications , vol. 7 , 12635 , pp. 1-6 . https://doi.org/10.1038/ncomms12635 en
dc.identifier.issn 2041-1723
dc.identifier.other PURE UUID: 8af2bef3-8cd2-46f8-95bb-c42b64d617f2
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/thermodynamics-of-emergent-magnetic-charge-screening-in-artificial-spin-ice(8af2bef3-8cd2-46f8-95bb-c42b64d617f2).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84984889451&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/7439490/ncomms12635.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/22915
dc.description.abstract Electric charge screening is a fundamental principle governing the behaviour in a variety of systems in nature. Through reconfiguration of the local environment, the Coulomb attraction between electric charges is decreased, leading, for example, to the creation of polaron states in solids or hydration shells around proteins in water. Here, we directly visualize the real-time creation and decay of screened magnetic charge configurations in a two-dimensional artificial spin ice system, the dipolar dice lattice. By comparing the temperature dependent occurrence of screened and unscreened emergent magnetic charge defects, we determine that screened magnetic charges are indeed a result of local energy reduction and appear as a transient minimum energy state before the system relaxes towards the predicted ground state. These results highlight the important role of emergent magnetic charges in artificial spin ice, giving rise to screened charge excitations and the emergence of exotic low-temperature configurations. en
dc.format.extent 1-6
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries NATURE COMMUNICATIONS en
dc.relation.ispartofseries Volume 7 en
dc.rights openAccess en
dc.subject.other Biochemistry, Genetics and Molecular Biology(all) en
dc.subject.other Chemistry(all) en
dc.subject.other Physics and Astronomy(all) en
dc.subject.other 114 Physical sciences en
dc.title Thermodynamics of emergent magnetic charge screening in artificial spin ice en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Applied Physics
dc.contributor.department Lawrence Berkeley National Laboratory
dc.contributor.department University of Genoa
dc.contributor.department Daegu Gyeongbuk Institute of Science and Technology
dc.contributor.department University of California at Davis
dc.contributor.department Universidad Adolfo Ibáñez
dc.subject.keyword Biochemistry, Genetics and Molecular Biology(all)
dc.subject.keyword Chemistry(all)
dc.subject.keyword Physics and Astronomy(all)
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201610135015
dc.identifier.doi 10.1038/ncomms12635
dc.type.version publishedVersion


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