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Spin-liquid behavior in a kagome antiferromagnet : Deuteronium jarosite
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Fak, B., Coomer, F. C., Harrison, Andrew, Visser, D. and Zhitomirsky, M. E. (2008) Spin-liquid behavior in a kagome antiferromagnet : Deuteronium jarosite. EPL (Europhysics Letters), Volume 81 (Number 1). Article No. 17006. doi:10.1209/0295-5075/81/17006 ISSN 0295-5075.
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Official URL: http://dx.doi.org/10.1209/0295-5075/81/17006
Abstract
The spin dynamics of the frustrated quasi-two-dimensional spin-5/2 Heisenberg antiferromagnetic kagome compound deuteronium jarosite, (D3O) Fe-3(SO4)(2)(OD)(6), has been studied using inelastic neutron scattering. The dynamic magnetic susceptibility shows a clear spin-liquid behavior with strong dynamic short-range correlations with staggered chirality, as seen from the wave vector dependence at finite-energy transfers. The magnetic scattering at low temperatures is gapless and extends out to at least 20 meV. The dynamics shows a non-exponential relaxation behavior but no dynamical w/T scaling. The characteristic energy (inverse relaxation rate) increases linearly with temperature. Copyright (C) EPLA, 2008.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Nuclear spin, Antiferromagnetism, Lattice theory | ||||
Journal or Publication Title: | EPL (Europhysics Letters) | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 0295-5075 | ||||
Official Date: | 2008 | ||||
Dates: |
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Volume: | Volume 81 | ||||
Number: | Number 1 | ||||
Number of Pages: | 6 | ||||
Page Range: | Article No. 17006 | ||||
DOI: | 10.1209/0295-5075/81/17006 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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