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@ARTICLE{Tarnavich:824662,
      author       = {Tarnavich, V. V. and Lott, D. and Mattauch, S. and
                      Oleshkevych, A. and Kapaklis, V. and Grigoriev, S. V.},
      title        = {{F}ield-induced chirality in the helix structure of
                      {H}o/{Y} multilayers},
      journal      = {Physical review / B},
      volume       = {89},
      number       = {5},
      issn         = {1098-0121},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2016-07225},
      pages        = {054406},
      year         = {2014},
      abstract     = {We study the net chirality in the spin helix structure of
                      Ho/Y multilayers induced by an in-plane applied magnetic
                      field. The lifting of degeneracy of the chiral symmetry was
                      revealed by means of polarized neutron reflectometry. Three
                      samples of different thicknesses of the Ho and Y layers were
                      grown by molecular-beam epitaxy. The chiral states are
                      degenerated upon zero field cooling below the critical
                      temperature TN=115±3 K. The chirality parameter γ rises
                      during the field cooling procedure in the field range from 0
                      to 1 T and saturates at a value of 0.12±0.01. The chirality
                      appears stepwise below TN and depends weakly on temperature.
                      The phenomenon is interpreted in terms of the
                      Dzyaloshinskii-Moriya interaction appearing at the interface
                      between the Ho and Y layers.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)MARIA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000332374300002},
      doi          = {10.1103/PhysRevB.89.054406},
      url          = {https://juser.fz-juelich.de/record/824662},
}