Two dimensional antiferromagnetic ordering in MnPS3

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dc.contributor.authorWildes, ARen_AU
dc.contributor.authorKennedy, SJen_AU
dc.contributor.authorHicks, TJen_AU
dc.date.accessioned2022-11-28T01:27:50Zen_AU
dc.date.available2022-11-28T01:27:50Zen_AU
dc.date.issued1994-02-09en_AU
dc.date.statistics2022-04-01en_AU
dc.description.abstractMnPS3 with space group C— has a layered monoclinic structure. Within the layers the manganese atoms form a hexagonal net with each manganese atom having three manganese neighbours within the layer. Below 80K the magnetic structure is three dimensional with the antiferromagnetic ordering within the layers coupled ferromagnetically between the layers and the moment direction perpendicular to the layers. We report the discovery of a truly two dimensional antiferromagnetic ordering in the temperature range 80-130K. This order is not immediately obvious from a neutron powder diffraction pattern as the antiferromagnetic intensity appears as rods rather than spots in reciprocal space and is therefore smeared out in a powder pattern. Preliminary analysis indicates that the moment in the two dimensional structure lies in the layer plane. If this is so it would have to result from a unidirectional rather than planar anisotropy so that the system is described within the Ising model, the only model which will sustain long range magnetic order in two dimensions. The neutron diffraction data at various temperatures will be presented along with supporting single crystal susceptibility measurements.en_AU
dc.identifier.citationWildes, A. R., Kennedy, S. J., & Hicks, T. J. (1994). Two dimensional antiferromagnetic ordering in MnPS3. Poster presented to the 18th Annual Condensed Matter Physics Meeting, Charles Sturt University, Wagga Wagga, NSW, 9-11 February 1994.en_AU
dc.identifier.conferenceenddate11 February 1994en_AU
dc.identifier.conferencename18th Annual Condensed Matter Physics Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, NSWen_AU
dc.identifier.conferencestartdate9 February 1994en_AU
dc.identifier.otherWP02en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14115en_AU
dc.language.isoenen_AU
dc.publisherAustralian and New Zealand Institutes of Physicsen_AU
dc.subjectAnisotropyen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectCrystal structureen_AU
dc.subjectIsing modelen_AU
dc.subjectManganese compoundsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectTemperature dependenceen_AU
dc.subjectTwo-dimensional calculationsen_AU
dc.titleTwo dimensional antiferromagnetic ordering in MnPS3en_AU
dc.typeConference Posteren_AU
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