Spin waves in the Frustrated Kagome Lattice Antiferromagnet KFe3(OH)6(SO4)2

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dc.creatorMatan, K.
dc.creatorGrohol, D.
dc.creatorNocera, D. G.
dc.creatorYildirim, T.
dc.creatorHarris, A. B.
dc.creatorLee, S. H.
dc.creatorNagler, S. E.
dc.creatorLee, Y. S.
dc.date2006-02-02
dc.date2006-02-03
dc.date.accessioned2026-07-07T10:14:14Z
dc.date.available2026-07-07T10:14:14Z
dc.descriptionThe spin wave excitations of the ideal S=5/2 Kagome lattice antiferromagnet KFe3(OH)6(SO4)2 have been measured using high-resolution inelastic neutron scattering. We directly observe a flat mode which corresponds to a lifted "zero energy mode," verifying a fundamental prediction for the Kagome lattice. A simple Heisenberg spin Hamiltonian provides an excellent fit to our spin wave data. The antisymmetric Dzyaloshinskii-Moriya interaction is the primary source of anisotropy and explains the low temperature magnetization and spin structure.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0602036
dc.identifierhttp://arxiv.org/abs/cond-mat/0602036
dc.identifierPhys. Rev. Lett. 96, 247201 (2006)
dc.identifierdoi:10.1103/PhysRevLett.96.247201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/172812
dc.subjectStrongly Correlated Electrons
dc.titleSpin waves in the Frustrated Kagome Lattice Antiferromagnet KFe3(OH)6(SO4)2
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