Effect of chirality on domain wall dynamics in molecular ferrimagnet [MnII(HL-pn)(H2O)][MnIII(CN)6]•2H2O,статья
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Аннотация:In this paper we distinguish the contributions of switching, slide, creep and Debye relaxation
modes of the domain wall dynamics to the low-frequency magnetic properties of chiral and racemic
[MnII(HL-pn)(H2O)][MnIII(CN)6]·2H2O molecular ferrimagnets. We demonstrate that crystal and spin
chirality affects the characteristic transition temperatures between different modes. In chiral crystals, transitions
to the creep and Debye relaxation modes were observed at T = 7 K and 5 K, whereas in racemic
crystals the same transitions occurred at higher temperatures T = 13 K and 9 K, respectively. Difference
of the Peierls relief in chiral and racemic crystals is a possible reason of the chirality effect on the domain
walls dynamics.