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Field-temperature phase diagram and entropy landscape of CeAuSb2

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dc.contributor.authorZhao, Lishan
dc.contributor.authorYelland, Edward A.
dc.contributor.authorBruin, Jan A. N.
dc.contributor.authorSheikin, Ilya
dc.contributor.authorCanfield, Paul C.
dc.contributor.authorFritsch, Veronika
dc.contributor.authorSakai, Hideaki
dc.contributor.authorMackenzie, Andrew P.
dc.contributor.authorHicks, Clifford W.
dc.date.accessioned2016-05-05T14:32:52Z
dc.date.available2016-05-05T14:32:52Z
dc.date.issued2016-05-12
dc.identifier242359304
dc.identifierc93255e1-6a0d-403d-9487-b8603c07f4ea
dc.identifier84968914417
dc.identifier000375994600002
dc.identifier.citationZhao , L , Yelland , E A , Bruin , J A N , Sheikin , I , Canfield , P C , Fritsch , V , Sakai , H , Mackenzie , A P & Hicks , C W 2016 , ' Field-temperature phase diagram and entropy landscape of CeAuSb 2 ' , Physical Review. B, Condensed matter and materials physics , vol. 93 , 195124 . https://doi.org/10.1103/PhysRevB.93.195124en
dc.identifier.issn1098-0121
dc.identifier.otherArXiv: http://arxiv.org/abs/1602.06742v1
dc.identifier.urihttps://hdl.handle.net/10023/8728
dc.descriptionThe authors thank the EPSRC and the Max Planck Society for financial support. The authors also acknowledge the support of the LNCMI-CNRS, member of the European Magnetic Field Laboratory (EMFL). E.A.Y. acknowledges support from the Royal Society. P.C.C. was supported, in part, by the U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering through the Ames Laboratory. V.F. acknowledges support by the Deutsche Forschungsgemeinschaft through FOR 960. H.S. gratefully acknowledges fellowships from the Canon Foundation.en
dc.description.abstractWe report a field-temperature phase diagram and an entropy map for the heavy fermion compound CeAuSb2. CeAuSb2 orders antiferromagnetically below TN=6.6 K, and has two metamagnetic transitions, at 2.8 and 5.6 T. The locations of the critical endpoints of the metamagnetic transitions, which may play a strong role in the putative quantum criticality of CeAuSb2 and related compounds, are identified. The entropy map reveals an apparent entropy balance with Fermi liquid behavior, implying that above the Néel transition the Ce moments are incorporated into the Fermi liquid. High-field data showing that the magnetic behavior is remarkably anisotropic are also reported.
dc.format.extent7
dc.format.extent800375
dc.language.isoeng
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.subjectQC Physicsen
dc.subjectDASen
dc.subject.lccQCen
dc.titleField-temperature phase diagram and entropy landscape of CeAuSb2en
dc.typeJournal articleen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEPSRCen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doi10.1103/PhysRevB.93.195124
dc.description.statusPeer revieweden
dc.identifier.grantnumberEP/I031014/1en
dc.identifier.grantnumberEP/F044704/1en


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