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@ARTICLE{Harikrishnan:13778,
      author       = {Harikrishnan, S. and Rößler, S. and Kumar, C. M. N. and
                      Xiao, Y. and Bhat, H. L. and Rößler, U. K. and Steglich,
                      F. and Wirth, S. and Elizabeth, S.},
      title        = {{M}emory effect in {D}y0.5{S}r0.5{M}n{O}3 single crystals},
      journal      = {Journal of physics / Condensed matter},
      volume       = {22},
      issn         = {0953-8984},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-13778},
      pages        = {346002},
      year         = {2010},
      note         = {The authors thank DAAD (ID 50726385) and the Department of
                      Science and Technology (DST), India for exchange project
                      grants. Financial support through FIST and DST project
                      grants are acknowledged. SH thanks the MPI CPfS for
                      financial support and hospitality in Dresden.},
      abstract     = {We have performed a series of magnetic aging experiments on
                      single crystals of Dy(0.5)Sr(0.5)MnO(3). The results
                      demonstrate striking memory and chaos-like effects in this
                      insulating half-doped perovskite manganite and suggest the
                      existence of strong magnetic relaxation mechanisms of a
                      clustered magnetic state. The spin-glass-like state
                      established below a temperature T(sg)≈ 34 K originates
                      from quenched disorder arising due to the ionic-radii
                      mismatch at the rare earth site. However, deviations from
                      the typical behavior seen in canonical spin glass materials
                      are observed which indicate that the glassy magnetic
                      properties are due to cooperative and frustrated dynamics in
                      a heterogeneous or clustered magnetic state. In particular,
                      the microscopic spin flip time obtained from dynamical
                      scaling near the spin glass freezing temperature is four
                      orders of magnitude larger than microscopic times found in
                      atomic spin glasses. The magnetic viscosity deduced from the
                      time dependence of the zero-field-cooled magnetization
                      exhibits a peak at a temperature T < T(sg) and displays a
                      marked dependence on waiting time in zero field.},
      keywords     = {J (WoSType)},
      cin          = {IFF-4 / IFF-5 / JARA-FIT / Jülich Centre for Neutron
                      Science JCNS (JCNS) ; JCNS},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB784 / I:(DE-Juel1)VDB785 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-20121112},
      pnm          = {Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI) / BioSoft: Makromolekulare Systeme und
                      biologische Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK415 / G:(DE-Juel1)FUEK505},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21403267},
      UT           = {WOS:000280847200025},
      doi          = {10.1088/0953-8984/22/34/346002},
      url          = {https://juser.fz-juelich.de/record/13778},
}