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Energy of dendritic avalanches in thin-film superconductors

dc.contributor.authorQureishy, T.
dc.contributor.authorVestgården, J. I.
dc.contributor.authorQviller, A. J.
dc.contributor.authorFjellvåg, A. S.
dc.contributor.authorMeckbach, J. M.
dc.contributor.authorTorgovkin, Andrii
dc.contributor.authorJohansen, T. H.
dc.contributor.authorIlin, K.
dc.contributor.authorSiegel, M.
dc.contributor.authorMaasilta, Ilari
dc.contributor.authorMikheenko, P.
dc.date.accessioned2018-09-04T07:41:42Z
dc.date.available2018-09-04T07:41:42Z
dc.date.issued2018
dc.identifier.citationQureishy, T., Vestgården, J. I., Qviller, A. J., Fjellvåg, A. S., Meckbach, J. M., Torgovkin, A., Johansen, T. H., Ilin, K., Siegel, M., Maasilta, I., & Mikheenko, P. (2018). Energy of dendritic avalanches in thin-film superconductors. <i>AIP Advances</i>, <i>8</i>(8), Article 085128. <a href="https://doi.org/10.1063/1.5045682" target="_blank">https://doi.org/10.1063/1.5045682</a>
dc.identifier.otherCONVID_28234156
dc.identifier.otherTUTKAID_78657
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/59427
dc.description.abstractA method for calculating stored magnetic energy in a thin superconducting film based on quantitative magneto-optical imaging is developed. Energy and magnetic moment are determined with these calculations for full hysteresis loops in a thin film of the superconductor NbN. Huge losses in energy are observed when dendritic avalanches occur. Magnetic energy, magnetic moment, sheet current and magnetic flux distributions, all extracted from the same calibrated magneto-optical images, are analyzed and discussed. Dissipated energy and the loss in moment when dendritic avalanches occur are related to each other. Calculating these losses for specific spatially-resolved flux avalanches is a great advantage, because of their unpredictable and non-reproducible nature. The relative losses in energy are much higher than the relative losses in moment.fi
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherAIP Publishing LLC
dc.relation.ispartofseriesAIP Advances
dc.rightsCC BY 4.0
dc.subject.otherFaraday effect
dc.subject.othermagnetic hysteresis
dc.subject.otherclassical electromagnetism
dc.subject.othermedical imaging
dc.subject.othersuperconducting films
dc.titleEnergy of dendritic avalanches in thin-film superconductors
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-201809034007
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.contributor.oppiaineNanoscience Centerfi
dc.contributor.oppiaineNanoscience Centeren
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.date.updated2018-09-03T09:15:21Z
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.relation.issn2158-3226
dc.relation.numberinseries8
dc.relation.volume8
dc.type.versionpublishedVersion
dc.rights.copyright© 2018 Authors
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber298667
dc.subject.ysoohutkalvot
dc.subject.ysosuprajohteet
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p16644
jyx.subject.urihttp://www.yso.fi/onto/yso/p9946
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1063/1.5045682
dc.relation.funderSuomen Akatemiafi
dc.relation.funderResearch Council of Finlanden
jyx.fundingprogramAkatemiahanke, SAfi
jyx.fundingprogramAcademy Project, AoFen
jyx.fundinginformationThe authors thank S. Kumar for assistance with dc magnetometry measurements. The Research Council of Norway is acknowledged for the support to the Norwegian Micro- and Nano-Fabrication Facility, NorFab (197411/V30), as is the Academy of Finland (Project no. 298667).
dc.type.okmA1


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