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| Hauptseite > Publikationsdatenbank > Dimerization in the commensurate antiferromagnetic phase of MnWO4 and NaFe(WO4)2 > print |
| Hauptseite > Publikationsdatenbank > Dimerization in the commensurate antiferromagnetic phase of MnWO4 and NaFe(WO4)2 > print |
| 001 | 873877 | ||
| 005 | 20240529111658.0 | ||
| 037 | _ | _ | |a FZJ-2020-01069 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a BIESENKAMP, SEBASTIAN |0 P:(DE-HGF)0 |b 0 |
| 111 | 2 | _ | |a DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM) |c Technischen Universität Dresden, Campus Südvorstadt |d 2020-03-15 - 2020-03-20 |w Germany |
| 245 | _ | _ | |a Dimerization in the commensurate antiferromagnetic phase of MnWO4 and NaFe(WO4)2 |
| 260 | _ | _ | |c 2020 |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
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| 520 | _ | _ | |a In multiferoic MnWO4, the relaxation time of the multiferroic domain inversion shows a peculiar temperature dependence. Upon cooling below the multiferroic transition the relaxation time first increases but becomes faster closer to the commensurate low-temperature phase [1]. We investigated anharmonicities in this material as well as in isostructural NaFe(WO4)2 and propose the enhanced anharmonicities close to the low-temperature magnetic up-up-down-down structure to be responsible for the faster relaxation rates in MnWO4. In both materials there is a similar competition between incommensurate cycloid and commensurate up-up-down-down order, and anharmonic squaring up appears as a precursor in the incommensurate structure [2]. The commensurate magnetic structure is associated with structural dimerization in both materials, that has been quantitatively determined for NaFe(WO4)2 by a four-circle neutron diffraction experiment. [1]: M. Baum, Phys. Rev. B 89, 144406 (2014) [2]: S. Holbein, Phys. Re. B 94, 104423 (2016) |
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