Magnetic ordering and spin dynamics in the S = 5/2 staggered triangular lattice antiferromagnet Ba2MnTeO6

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dc.contributor.authorLi, Len_AU
dc.contributor.authorNarayanan, Nen_AU
dc.contributor.authorJin, SJen_AU
dc.contributor.authorYu, Jen_AU
dc.contributor.authorLiu, ZJen_AU
dc.contributor.authorSun, HLen_AU
dc.contributor.authorWang, CWen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorLiu, Yen_AU
dc.contributor.authorDanilkin, SAen_AU
dc.contributor.authorYao, DXen_AU
dc.contributor.authorYu, DHen_AU
dc.contributor.authorWang, Men_AU
dc.date.accessioned2021-08-12T02:11:41Zen_AU
dc.date.available2021-08-12T02:11:41Zen_AU
dc.date.issued2020-09-09en_AU
dc.date.statistics2021-07-09en_AU
dc.description.abstractWe report studies of the magnetic properties of a staggered stacked triangular lattice Ba2MnTeO6 using magnetic susceptibility, specific heat, neutron powder diffraction, inelastic neutron scattering measurements, and first-principles density functional theory calculations. Neutron diffraction measurements reveal Ba2MnTeO6 to be antiferromagnetically ordered with a propagation vector k=(0.5,0.5,0) and Néel transition temperature of TN≈20 K. The dominant interaction derived from the Curie-Weiss fitting to the inverse DC susceptibility is antiferromagnetic. Modeling of the inelastic neutron scattering data with linear spin wave theory yielded magnetic exchange interactions for the nearest intralayer, nearest interlayer, and next-nearest interlayer J1=0.27(3), meV J2=0.27(3) meV, and J3=−0.05(1) meV, respectively, and a small value of easy-axis anisotropy of Dzz=−0.01 meV. We derive a magnetic phase diagram that reveals a collinear stripe-type antiferromagnetic order that is stabilized by the competition between J1, J2, and J3. ©2020 American Physical Societyen_AU
dc.identifier.articlenumber094413en_AU
dc.identifier.citationLi, L., Narayanan, N., Jin, S., Yu, J., Liu, Z., Sun, H., Wang, C.-W., Peterson, V. K., Liu, Y., Danilkin, S., Yao, D.-X., Yu, D. & Wang, M. (2020). Magnetic ordering and spin dynamics in the S= 5/2 staggered triangular lattice antiferromagnet Ba2MnTeO6. Physical Review B, 102(9), 094413. doi:10.1103/PhysRevB.102.094413en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttps://doi.org/10.1103/PhysRevB.102.094413en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11337en_AU
dc.identifier.volume102en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectCrystal latticesen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectSpin exchangeen_AU
dc.subjectExchange interactionsen_AU
dc.subjectMagnetismen_AU
dc.titleMagnetic ordering and spin dynamics in the S = 5/2 staggered triangular lattice antiferromagnet Ba2MnTeO6en_AU
dc.typeJournal Articleen_AU
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