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Title: From quantum disorder to magnetic order in an s=1/2 kagome lattice: a structural and magnetic study of herbertsmithite at high pressure
Authors: Kozlenko, D.P.
Kusmartseva, Anna F.
Lukin, E.V.
Keen, D.A.
Marshall, W.G.
DeVries, M.A.
Kamenev, Konstantin V.
Issue Date: 2012
Publisher: © American Physical Society
Citation: KOZLENKO, D.P. ... et al, 2012. From quantum disorder to magnetic order in an s=1/2 kagome lattice: a structural and magnetic study of herbertsmithite at high pressure. Physical Review Letters - Moving Physics Forwards, 108 (18), 187207.
Abstract: The structural and magnetic properties of deuterated herbertsmithite have been studied by means of neutron powder diffraction and magnetic susceptibility measurements in a wide range of temperatures and pressures. The experimental data demonstrate that a phase transition from the quantum-disordered spin-liquid phase to the long-range ordered antiferromagnetic phase with the Néel temperature T N=6K is induced at P=2.5GPa. The observed decrease of T N upon compression correlates with the anomalies in pressure behavior of Cu-O bond length and Cu-O-Cu bond angles. The reasons for the observed spin-freezing transition are discussed within the framework of the available theoretical models and the recent observation of the field-induced spin freezing. © 2012 American Physical Society.
Description: This article was published in the journal, Physical Review Letters [© American Physical Society]. It is also available at: http://dx.doi.org/10.1103/PhysRevLett.108.187207
Sponsor: This work was funded by and supported through resources made available by the Science and Technology Facilities Council and the Russian Foundation for Basic Research, Grant No. 12-02- 00794-a.
Version: Published
DOI: 10.1103/PhysRevLett.108.187207
URI: https://dspace.lboro.ac.uk/2134/17366
Publisher Link: http://dx.doi.org/10.1103/PhysRevLett.108.187207
ISSN: 0031-9007
Appears in Collections:Published Articles (Physics)

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