Exploring the magnetic phase diagram of dysprosium with neutron diffraction

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dc.contributor.authorYu, J.
dc.contributor.authorLeClair, P. R.
dc.contributor.authorMankey, G. J.
dc.contributor.authorRobertson, J. L.
dc.contributor.authorCrow, M. L.
dc.contributor.authorTian, W.
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.contributor.otherUnited States Department of Energy (DOE)
dc.contributor.otherOak Ridge National Laboratory
dc.date.accessioned2019-07-16T18:44:18Z
dc.date.available2019-07-16T18:44:18Z
dc.date.copyright2015
dc.date.issued2015-01-05
dc.description.abstractWith one of the highest intrinsic magnetic moments (10.6 mu(B)/atom) among the heavy rare-earth elements, dysprosium exhibits a rich magnetic phase diagram, including several modulated magnetic phases. Aided by the Ruderman-Kittel-Kasuya-Yosida interaction, the magnetic modulations propagate coherently over a long range. Neutron diffraction experiments were performed to determine the microscopic magnetic origin of the field induced phases in bulk Dy as a function of temperature, covering regions of the well-known ferromagnetic, helical antiferromagnetic, fan phases, and several possible new phases suggested by previous studies. A short-range ordered fan phase was identified as the intermediate state between ferromagnetism and long-range ordered fan. In a field of 1 T applied along the a axis, the temperature range of a coexisting helix/fan phase was determined. The magnetic phase diagram of Dy was thus refined to include the detailed magnetic origin and the associated phase boundaries. Based on the period of the magnetic modulation and the average magnetization, the evolution of the spin arrangement upon heating was derived quantitatively for the modulated magnetic phases.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.citationYu, J., et al. (2015): Exploring the Magnetic Phase Diagram of Dysprosium with Neutron Diffraction. Physical Review B, 91(1). DOI: https://doi.org/10.1103/PhysRevB.91.014404
dc.identifier.doi10.1103/PhysRevB.91.014404
dc.identifier.issn1098-0121
dc.identifier.orcidhttps://orcid.org/0000-0003-3163-5159
dc.identifier.orcidhttps://orcid.org/0000-0003-3163-5159
dc.identifier.orcidhttps://orcid.org/0000-0001-7735-3187
dc.identifier.orcidhttps://orcid.org/0000-0002-5212-879X
dc.identifier.urihttp://ir.ua.edu/handle/123456789/5970
dc.languageEnglish
dc.language.isoen_US
dc.publisherAmerican Physical Society
dc.rights.holderAmerican Physical Society
dc.subjectRARE-EARTH-METALS
dc.subjectSPIN-CONFIGURATIONS
dc.subjectFIELD
dc.subjectTRANSITIONS
dc.subjectHOLMIUM
dc.subjectHELIFAN
dc.subjectLATTICE
dc.subjectDY
dc.subjectMaterials Science, Multidisciplinary
dc.subjectPhysics, Applied
dc.subjectPhysics, Condensed Matter
dc.subjectMaterials Science
dc.subjectPhysics
dc.titleExploring the magnetic phase diagram of dysprosium with neutron diffractionen_US
dc.typetext
dc.typeArticle

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