Spin-reorientation in DyGa

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dc.contributor.authorSusilo, RAen_AU
dc.contributor.authorCadogan, JMen_AU
dc.contributor.authorCobas, Ren_AU
dc.contributor.authorMuñoz-Pérez, Sen_AU
dc.contributor.authorAvdeev, Men_AU
dc.date.accessioned2021-10-26T00:33:32Zen_AU
dc.date.available2021-10-26T00:33:32Zen_AU
dc.date.issued2014-02-05en_AU
dc.date.statistics2021-09-14en_AU
dc.description.abstractThe RGa compounds crystallize in the orthorhombic CrB-type structure (Cmcm space-group), which can be viewed as a stacking of trigonal prisms along the crystallographic a-axis with rare earth atoms at the corners and the gallium atoms nearly at the centres. They order ferromagnetically with a Curie temperature ranging from a high of ~187 K in GdGa to a low of 15 K for TmGa. DyGa is a ferromagnet with a Curie temperature (TC) of 115(2) K. Based on single-crystal susceptibility measurements by Shohata, the easy direction of magnetic order was found to be along the c-axis. Recently, Zhang et al. reported a weak shoulder at ~25 K in their magnetization data, which might correspond to a spin-reorientation . In this report, we present our neutron diffraction results to investigate the magnetic ordering of DyGa. Despite the substantial neutron absorption by the Dy (50 at.% of the sample), refinement of our neutron diffraction patterns confirms the c-axis order below TC. Furthermore, upon cooling below 25 K we observe a canting of the Dy moments away from the c-axis towards the a-axis. At 3 K, the Dy moment is 9.8(2) µB and the Dy magnetic moments point in the direction θ = 22(2)° with respect to the crystallographic c-axis.en_AU
dc.identifier.citationSusilo, R. A., Cadogan, J. M., Cobas, R., Munoz-Perez, S. & Avdeev, M. (2014). Spin-reorientation in DyGa. Poster presented at the 38th Annual Condensed Matter and Materials Meeting 2014, Waiheke Island Resort, Waiheke, Auckland, New Zealand, 4th February - 7th February, 2014. Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.conferenceenddate7 February 2014en_AU
dc.identifier.conferencename38th Annual Condensed Matter and Materials Meeting 2014en_AU
dc.identifier.conferenceplaceAuckland, New Zealanden_AU
dc.identifier.conferencestartdate4 February 2014en_AU
dc.identifier.isbn978-0-646-93339-9en_AU
dc.identifier.otherWP3en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12079en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectCoherent scatteringen_AU
dc.subjectCrystal latticesen_AU
dc.subjectCrystal structureen_AU
dc.subjectDiffractionen_AU
dc.subjectElementsen_AU
dc.subjectMagnetismen_AU
dc.subjectMetalsen_AU
dc.subjectOrientationen_AU
dc.subjectPhysical propertiesen_AU
dc.subjectRare earthsen_AU
dc.subjectScatteringen_AU
dc.subjectThermodynamic propertiesen_AU
dc.subjectThree-dimensional latticesen_AU
dc.subjectTransition temperatureen_AU
dc.titleSpin-reorientation in DyGaen_AU
dc.typeConference Posteren_AU
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