Magnetic structure and spin reorientation of quaternary Dy2Fe2Si2C

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dc.contributor.authorSusilo, RAen_AU
dc.contributor.authorCadogan, JMen_AU
dc.contributor.authorHutchison, WDen_AU
dc.contributor.authorStewart, GAen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorCampbell, SJen_AU
dc.date.accessioned2021-06-29T22:40:55Zen_AU
dc.date.available2021-06-29T22:40:55Zen_AU
dc.date.issued2017-02-07en_AU
dc.date.statistics2021-06-24en_AU
dc.description.abstractWe have investigated the low temperature magnetic properties of Dy2Fe2Si2C by using magnetisation, specific heat, x-ray diffraction, neutron powder diffraction and 57Fe Mössbauer spectroscopy measurements over the temperature range 1.5 K–300 K. Dy2Fe2Si2C exhibits two magnetic transitions at low temperatures: an antiferromagnetic transition at ${{T}_{\text{N}}}\sim 26$ K and a spin-reorientation transition at ${{T}_{t}}\sim 6$ K. The magnetic structure above Tt can be described with a propagation vector $\mathbf{k}~=~\left(0~0~\frac{1}{2}\right)$ with the ordering of the Dy magnetic moments along the monoclinic b-axis whereas on cooling below Tt the Dy moment tips away from the b-axis towards the ac-plane. We find that the spin-reorientation in Dy2Fe2Si2C is mainly driven by the competition between the second-order crystal field term B20 and the higher-order terms, in particular B40 and B64. © 2017 IOP Publishing Ltden_AU
dc.identifier.articlenumber115806en_AU
dc.identifier.citationSusilo, R. A, Cadogan, J. M., Hutchison, W. D., Stewart, G. A., Avdeev, M., & Campbell. S. J. (2017). Magnetic structure and spin reorientation of quaternary Dy2Fe2Si2C. Journal of Physics: Condensed Matter, 29(11), 115806. doi:10.1088/1361-648X/aa52f9en_AU
dc.identifier.issn1361-648Xen_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitleJournal of Physics: Condensed Matteren_AU
dc.identifier.urihttps://doi.org/10.1088/1361-648X/aa52f9en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10960en_AU
dc.identifier.volume29en_AU
dc.language.isoenen_AU
dc.publisherIOP Publishingen_AU
dc.subjectTemperature range 0065-0273 Ken_AU
dc.subjectMagnetizationen_AU
dc.subjectSpecific heaten_AU
dc.subjectX-ray diffractionen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectMagnetic momentsen_AU
dc.subjectMonoclinic latticesen_AU
dc.titleMagnetic structure and spin reorientation of quaternary Dy2Fe2Si2Cen_AU
dc.typeJournal Articleen_AU
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