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@ARTICLE{Ye:865324,
      author       = {Ye, Jingfan and Baldauf, Thomas and Mattauch, Stefan and
                      Paul, Neelima and Paul, Amitesh},
      title        = {{T}opologically stable helices in exchange coupled
                      rare-earth/rare-earth multilayer with superspin-glass like
                      ordering},
      journal      = {Communications Physics},
      volume       = {2},
      number       = {1},
      issn         = {2399-3650},
      address      = {London},
      publisher    = {Springer Nature},
      reportid     = {FZJ-2019-04826},
      pages        = {114},
      year         = {2019},
      abstract     = {Existence of 2π-planar domain walls (DWs) are often
                      reported for transition metal-rare-earth(TM/RE) layered
                      systems. The magnetization process of such two-dimensional
                      randomlyanisotropical system in the form of 2π-DWs is
                      directly correlated with topologically stablehelices. Here,
                      instead of TM/RE, we have investigated [Dy/Tb]10multilayers
                      involving twodifferent anisotropic layers of
                      rare-earth/rare-earth (RE/RE). Using magnetization and
                      sus-ceptibility as function of temperature along with
                      thermo-remanent magnetization measure-ments we have
                      confirmed superspin-glass type of behavior within this RE/RE
                      system.Additionally, an exchange biasfield up to–0.88 kOe
                      (–88 mT) was also revealed for suchrare-earth based
                      multilayers. Interestingly, using detailed analysis of the
                      polarized neutronreflectometry profiles, wefind evidences of
                      superimposed helical magnetic configurationswithin both
                      materials of Dy and Tb associated with spin-frustrated
                      interfaces. Furthermore,magnetizationfluctuations around the
                      mean magnetization from vertically uncorrelateddomains were
                      observed with polarized off-specular neutron scattering. We
                      believe that coexistence of helical ground states with super
                      spin-glass-like ordering are fundamentally instrumental for
                      topologically stability in RE/RE systems, which in
                      principle, can be exploited in all-spin-based technology.},
      cin          = {JCNS-FRM-II / JCNS-2 / MLZ},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-588b)4597118-3},
      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:000486690700001},
      doi          = {10.1038/s42005-019-0210-0},
      url          = {https://juser.fz-juelich.de/record/865324},
}