Quantum magnetic properties of the spin-1/2 triangular-lattice antiferromagnet Ba2La2CoTe2O12

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dc.contributor.authorKojima, Yen_AU
dc.contributor.authorWatanabe, Men_AU
dc.contributor.authorKurita, Nen_AU
dc.contributor.authorTanaka, Hen_AU
dc.contributor.authorMatsuo, Aen_AU
dc.contributor.authorKindo, Ken_AU
dc.contributor.authorAvdeev, Men_AU
dc.date.accessioned2021-02-03T23:00:10Zen_AU
dc.date.available2021-02-03T23:00:10Zen_AU
dc.date.issued2018-11-05en_AU
dc.date.statistics2021-01-19en_AU
dc.description.abstractWe report the crystal structure of Ba2La2CoTe2O12 determined by Rietveld analysis using x-ray powder-diffraction data. It was found from magnetic measurements that Ba2La2CoTe2O12 can be described as a spin-12 triangular-lattice antiferromagnet with easy-plane anisotropy at low temperatures. This compound undergoes a magnetic phase transition at TN=3.26K to an ordered state with the 120∘ structure. The magnetization curve exhibits the one-third plateau characteristic of triangular-lattice quantum antiferromagnets. The antiferromagnetic exchange interaction and the g factors parallel and perpendicular to the c axis were evaluated to be J/kB=22K,g∥=3.5, and g⊥=4.5, respectively. ©2018 American Physical Societyen_AU
dc.identifier.articlenumber174406en_AU
dc.identifier.citationKojima, Y., Watanabe, M., Kurita, N., Tanaka, H., Matsuo, A., Kindo, K., & Avdeev, M. (2018). Quantum magnetic properties of the spin-1/2 triangular-lattice antiferromagnet Ba2La2CoTe2O12. Physical Review B, 98(17), 174406. doi:10.1103/PhysRevB.98.174406en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue17en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttps://doi.org/10.1103/PhysRevB.98.174406en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10296en_AU
dc.identifier.volume98en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectCrystal structureen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectPhase transformationsen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectExchange interactionsen_AU
dc.subjectMagnetismen_AU
dc.subjectSpecific heaten_AU
dc.titleQuantum magnetic properties of the spin-1/2 triangular-lattice antiferromagnet Ba2La2CoTe2O12en_AU
dc.typeJournal Articleen_AU
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