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@ARTICLE{Biesenkamp:902994,
      author       = {Biesenkamp, S. and Gorkov, D. and Schmidt, W. and Schmalzl,
                      K. and Sidis, Y. and Becker, P. and Bohatý, L. and Braden,
                      M.},
      title        = {{C}hiral order and multiferroic domain relaxation in {N}a
                      {F}e {G}e 2 {O} 6},
      journal      = {Physical review / B},
      volume       = {104},
      number       = {17},
      issn         = {1098-0121},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2021-04739},
      pages        = {174405},
      year         = {2021},
      abstract     = {The magnetic structure and the multiferroic relaxation
                      dynamics of NaFeGe2O6 were studied by neutron scattering on
                      single crystals partially utilizing polarization analysis.
                      In addition to the previously reported transitions, the
                      incommensurate spiral ordering of Fe3+ moments in the ac
                      plane develops an additional component along the
                      crystallographic b direction below T≈5K, which coincides
                      with a lock-in of the incommensurate modulation. The
                      quasistatic control of the spin-spiral handedness,
                      respectively of the vector chirality, by external electric
                      fields proves the invertibility of multiferroic domains down
                      to the lowest temperature. Time-resolved measurements of the
                      multiferroic domain inversion in NaFeGe2O6 reveal a simple
                      temperature and electric-field dependence of the
                      multiferroic relaxation that is well described by a combined
                      Arrhenius-Merz relation, as it has been observed for TbMnO3.
                      The maximum speed of domain wall motion is comparable to the
                      spin-wave velocity deduced from an analysis of the magnon
                      dispersion.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-Juel1)ILL-IN12-20150421},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000718024300002},
      doi          = {10.1103/PhysRevB.104.174405},
      url          = {https://juser.fz-juelich.de/record/902994},
}