The dynamics and critical properties of FePS3, an Ising-like twodimensional magnet on a honeycomb lattice

dc.contributor.authorWildes, Aen_AU
dc.contributor.authorRule, KCen_AU
dc.contributor.authorLançon, Den_AU
dc.contributor.authorHicks, Ten_AU
dc.date.accessioned2022-04-12T00:35:03Zen_AU
dc.date.available2022-04-12T00:35:03Zen_AU
dc.date.issued2014-02-05en_AU
dc.date.statistics2021-09-13en_AU
dc.description.abstractThe MPS3 compounds (M = transition metal) are a family of materials where the M2+ ions lie in planes forming a honeycomb lattice. The planes are weakly bound by van der Waals forces and, when the M2+ carries a magnetic moment, the materials are good approximations of two-dimensional (2D) antiferromagnets. The FePS3 compound is of particular interest as it is a rare example of an Ising-like 2D magnet with honeycomb symmetry [1]. We have performed experiments with neutron scattering to investigate the magnon dynamics on both a powder [2] and, more recently, on a single crystal. We have further made extensive measurements of the critical dynamics of the compound. We will present our results, showing the magnon dispersion surface and the magnitudes of the exchange interactions along with the scaling behaviour of the magnetization and the anisotropy. The results will be contrasted with a sister compound, MnPS3, which is a good example of a Heisenberg-like 2D magnet. We will also discuss the possibilities for tricritical points and quantum phase transitions in this compound.en_AU
dc.identifier.citationWildes, A., Rule, K., Lançon, D., & Hicks, T. (2014). The dynamics and critical properties of FePS3, an Ising-like two-dimensional magnet on a honeycomb lattice. Invited paper presented to the 38th Annual Condensed Matter and Materials Meeting 2014, Waiheke Island Resort, Waiheke, Auckland, New Zealand, 4th February - 7th February, 2014, (pp. 39). 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.issn978-0-646-93339-9en_AU
dc.identifier.otherwo4en_AU
dc.identifier.pagination39en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2014/Wagga2014proceedings.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12994en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectIronen_AU
dc.subjectPhosphorusen_AU
dc.subjectMagnetsen_AU
dc.subjectHoneycomb structuresen_AU
dc.subjectIonsen_AU
dc.subjectVan der Waals forcesen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectCrystal latticesen_AU
dc.titleThe dynamics and critical properties of FePS3, an Ising-like twodimensional magnet on a honeycomb latticeen_AU
dc.typeConference Abstracten_AU
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