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Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Hakonen, Pertti J.
dc.contributor.author Nummila, K. K.
dc.contributor.author Vuorinen, R. T.
dc.contributor.author Lounasmaa, O. V.
dc.date.accessioned 2015-09-11T09:02:25Z
dc.date.available 2015-09-11T09:02:25Z
dc.date.issued 1992
dc.identifier.citation Hakonen, Pertti J. & Nummila, K. K. & Vuorinen, R. T. & Lounasmaa, O. V. 1992. Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures. Physical Review Letters. Volume 68, Issue 3. 365-368. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.68.365 en
dc.identifier.issn 0031-9007 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/17656
dc.description.abstract The ferromagnetically ordered state in the nuclear spin system of silver has been reached at negative absolute temperatures by adiabatic nuclear demagnetization at entropies below 0.82 ln2. The ordering, caused by the antiferromagnetic Ruderman-Kittel interaction, was observed below -1.9 nK as a saturation of susceptibility close to -1 and as an increase of the NMR frequencies. Comparison with recent mean-field calculations by Viertiö and Oja suggests a domain configuration. The phase diagram of silver nuclei at T<0 is outlined in the magnetic field versus entropy plane. en
dc.format.extent 365-368
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review Letters en
dc.relation.ispartofseries Volume 68, Issue 3
dc.rights © 1992 American Physical Society (APS). This is the accepted version of the following article: Hakonen, Pertti J. & Nummila, K. K. & Vuorinen, R. T. & Lounasmaa, O. V. 1992. Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures. Physical Review Letters. Volume 68, Issue 3. 365-368. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.68.365, which has been published in final form at http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.68.365. en
dc.subject.other Physics en
dc.title Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.contributor.department Department of Applied Physics en
dc.subject.keyword nuclear magnetism en
dc.subject.keyword ferromagnetic ordering en
dc.subject.keyword negative temperatures en
dc.identifier.urn URN:NBN:fi:aalto-201509104261
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevlett.68.365
dc.type.version Final published version en


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