Abstract
Mössbauer effect measurements have been performed on the quasi 1-d antiferromagnetic solid solutions of Rb2Mn1−xFexF5*H2O (x=0.50) as a function of temperature. Particular attention was paid to the region very close to the Neel point. The experimental spectra show definite relaxation effects which are attributed to short-range order with temperature dependent relaxation times. The solitor, model of non-linear excitations was applied. Experimental data on Fe(III) confirm the predicted exponential temperature dependence of the thermal excitation of moving domain walls.
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Pebler, J. Mössbauer study and non-linear excitations in the antiferromagnetic chain of Rb2Mn1−xFexF5*H2O (x≤0.50). Hyperfine Interact 45, 263–270 (1989). https://doi.org/10.1007/BF02405887
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DOI: https://doi.org/10.1007/BF02405887