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27 April 2024

» arxiv » 1302.0719

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Magnetic order and low-energy excitations in the quasi-one-dimensional antiferromagnet CuSe$_2$O$_5$ with staggered fields
M. Herak ; A. Zorko ; M. Pregelj ; O. Zaharko ; G. Posnjak ; Z. Jagličić ; A. Potočnik ; H. Luetkens ; J. van Tol ; A. Ozarowski ; H. Berger ; D. Arčon ;
Date:	Mon, 4 Feb 2013 15:29:04 GMT (1831kb)
Abstract:	Ground state and low-energy excitations of the quasi-one-dimensional antiferromagnet CuSe$_2$O$_5$ were experimentally studied using bulk magnetization, neutron diffraction, muon spin relaxation and antiferromagnetic resonance measurements. Finite interchain interactions promote long-range antiferromagnetic order below $T_N=17$ K. The derived spin canted structure is characterized by the magnetic propagation vector $mathbf{k}=(1, 0, 0)$ and the reduced magnetic moment $m{m}=[0.13(7), 0.50(1), 0.00(8)]mu_B$. The values of the magnetic anisotropies determined from the field and angular dependencies of the antiferromagnetic resonance comply well with a previous electron paramagnetic resonance study and correctly account for the observed magnetic ground state and spin-flop transition.
Source:	arXiv, 1302.0719
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