Magnetic transitions in the chiral armchair-kagome system Mn2Sb2O7

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dc.contributor.authorPeets, DCen_AU
dc.contributor.authorSim, Hen_AU
dc.contributor.authorChoi, Sen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorLee, Sen_AU
dc.contributor.authorKim, SJen_AU
dc.contributor.authorKang, Hen_AU
dc.contributor.authorAhn, Den_AU
dc.contributor.authorPark, JGen_AU
dc.date.accessioned2021-06-03T01:38:36Zen_AU
dc.date.available2021-06-03T01:38:36Zen_AU
dc.date.issued2017-01-20en_AU
dc.date.statistics2021-05-31en_AU
dc.description.abstractThe competition between interactions in frustrated magnets allows a wide variety of new ground states, often exhibiting emergent physics and unique excitations. Expanding the suite of lattices available for study enhances our chances of finding exotic physics. Mn2Sb2O7 forms in a chiral, kagome-based structure in which a fourth member is added to the kagome-plane triangles to form an armchair unit and link adjacent kagome planes. This structural motif may be viewed as intermediate between the triangles of the kagome network and the tetrahedra in the pyrochlore lattice. Mn2Sb2O7 exhibits two distinct magnetic phase transitions, at 11.1 and 14.2 K, at least one of which has a weak ferromagnetic component. The magnetic propagation vector does not change through the lower transition, suggesting a metamagnetic transition or a transition involving a multicomponent order parameter. Although previously reported in the P3121 space group, Mn2Sb2O7 actually crystallizes in P2, which allows ferroelectricity, and we show clear evidence of magnetoelectric coupling indicative of multiferroic order. The quasi-two-dimensional “armchair-kagome” lattice presents a promising platform for probing chiral magnetism and the effect of dimensionality in highly frustrated systems. ©2017 American Physical Societyen_AU
dc.identifier.articlenumber014424en_AU
dc.identifier.citationPeets, D. C., Sim, H., Choi, S., Avdeev, M., Lee, S., Kim, S. J., Kang, H., Ahn, D., & Park, J.-G. (2017). Magnetic transitions in the chiral armchair-kagome system Mn2Sb2O7. Physical Review B, 95(1), 014424. doi:10.1103/PhysRevB.95.014424en_AU
dc.identifier.issn2469-9969en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitlePhysical Review Ben_AU
dc.identifier.urihttps://doi.org/10.1103/PhysRevB.95.014424en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/10803en_AU
dc.identifier.volume95en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectPhase transformationsen_AU
dc.subjectCrystal structureen_AU
dc.subjectSpecific heaten_AU
dc.subjectMagnetismen_AU
dc.titleMagnetic transitions in the chiral armchair-kagome system Mn2Sb2O7en_AU
dc.typeJournal Articleen_AU
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