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@ARTICLE{Pradheesh:171709,
      author       = {Pradheesh, R. and Xiao, Yinguo and Cherian, Dona and
                      Elizabeth, Suja and Hansen, Thomas and Chatterji, Tapan and
                      Brückel, Th. and Nair, Harikrishnan},
      title        = {{M}agnetization-steps in {Y}$_{2}${C}o{M}n{O}$_{6}$ double
                      perovskite: {T}he role of antisite disorder},
      journal      = {Journal of applied physics},
      volume       = {116},
      number       = {12},
      issn         = {1089-7550},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2014-05278},
      pages        = {123907},
      year         = {2014},
      abstract     = {Antisite disorder is observed to have significant impact on
                      the magnetic properties of the double perovskite Y2CoMnO6
                      which has been recently identified as a multiferroic. A
                      paramagnetic-ferromagnetic phase transition occurs in this
                      material at Tc ≈ 75 K. At 2 K, it displays a strong
                      ferromagnetic hysteresis with a significant coercive field
                      of Hc ≈ 15 kOe. Sharp steps are observed in the hysteresis
                      curves recorded below 8 K. In the temperature range
                      2 K ≤ T ≤ 5 K, the hysteresis loops are
                      anomalous as the virgin curve lies outside the main loop.
                      The field-cooling conditions as well as the rate of
                      field-sweep are found to influence the steps. Quantitative
                      analysis of the neutron diffraction data shows that at room
                      temperature, Y2CoMnO6 consists of $62\%$ of monoclinic P21/n
                      with nearly $70\%$ antisite disorder and $38\%$ Pnma. The
                      bond valence sums indicate the presence of other valence
                      states for Co and Mn which arise from disorder. We explain
                      the origin of steps by using a model for pinning of
                      magnetization at the antiphase boundaries created by
                      antisite disorder. The steps in magnetization closely
                      resemble the martensitic transformations found in
                      intermetallics and display first-order characteristics as
                      revealed in the Arrott's plots.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {422 - Spin-based and quantum information (POF2-422) / 424 -
                      Exploratory materials and phenomena (POF2-424) / 542 -
                      Neutrons (POF2-542) / 544 - In-house Research with PNI
                      (POF2-544) / 54G - JCNS (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-422 / G:(DE-HGF)POF2-424 /
                      G:(DE-HGF)POF2-542 / G:(DE-HGF)POF2-544 /
                      G:(DE-HGF)POF2-54G24},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000342840000048},
      doi          = {10.1063/1.4896399},
      url          = {https://juser.fz-juelich.de/record/171709},
}