Towards artificial Ising spin glasses: Thermal ordering in randomized arrays of Ising-type nanomagnets

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorSaccone, Michaelen_US
dc.contributor.authorScholl, Andreasen_US
dc.contributor.authorVelten, Svenen_US
dc.contributor.authorDhuey, Scotten_US
dc.contributor.authorHofhuis, Kevinen_US
dc.contributor.authorWuth, Clemensen_US
dc.contributor.authorHuang, Yen-Linen_US
dc.contributor.authorChen, Zuhuangen_US
dc.contributor.authorChopdekar, Rajeshen_US
dc.contributor.authorFarhan, Alanen_US
dc.contributor.departmentDepartment of Applied Physicsen
dc.contributor.groupauthorNanomagnetism and Spintronicsen
dc.contributor.organizationLawrence Berkeley National Laboratoryen_US
dc.contributor.organizationUniversity of Hamburgen_US
dc.contributor.organizationPaul Scherrer Instituteen_US
dc.contributor.organizationUniversity of California, Irvineen_US
dc.contributor.organizationHarbin Institute of Technologyen_US
dc.contributor.organizationUniversity of California, Santa Cruzen_US
dc.date.accessioned2019-07-30T07:18:59Z
dc.date.available2019-07-30T07:18:59Z
dc.date.issued2019-06-03en_US
dc.description.abstractWe explore the thermodynamics in two-dimensional arrays consisting of Ising-type nanomagnets lithographically arranged onto random sites and angular orientations. Introducing these basic spin-glass ingredients, we study the characteristic features of the low-energy states achieved, following thermal-annealing protocols. From direct visualization of real-time dynamics, we record relaxation timescales together with magnetic susceptibility variations over temperature, revealing trends towards short-range order as randomness is increased, but falling short of pure spin-glass behavior. Our work provides a route towards the realization of artificial Ising spin-glass systems.en
dc.description.versionPeer revieweden
dc.format.extent7
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationSaccone, M, Scholl, A, Velten, S, Dhuey, S, Hofhuis, K, Wuth, C, Huang, Y-L, Chen, Z, Chopdekar, R & Farhan, A 2019, 'Towards artificial Ising spin glasses : Thermal ordering in randomized arrays of Ising-type nanomagnets', Physical Review B, vol. 99, no. 22, 224403. https://doi.org/10.1103/PhysRevB.99.224403en
dc.identifier.doi10.1103/PhysRevB.99.224403en_US
dc.identifier.issn2469-9950
dc.identifier.issn2469-9969
dc.identifier.otherPURE UUID: a3f5ce95-f467-4284-bb6b-005d8ff32d22en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/a3f5ce95-f467-4284-bb6b-005d8ff32d22en_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/35170977/PhysRevB.99.224403.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/39478
dc.identifier.urnURN:NBN:fi:aalto-201907304533
dc.language.isoenen
dc.publisherAmerican Physical Society
dc.relation.ispartofseriesPhysical Review Ben
dc.relation.ispartofseriesVolume 99, issue 22en
dc.rightsopenAccessen
dc.subject.keywordCRITICAL EXPONENTSen_US
dc.subject.keywordICEen_US
dc.subject.keywordENERGYen_US
dc.titleTowards artificial Ising spin glasses: Thermal ordering in randomized arrays of Ising-type nanomagnetsen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion

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