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@ARTICLE{Chatterji:10519,
      author       = {Chatterji, T. and Wuttke, J. and Sazonov, A.P.},
      title        = {{H}yperfine interaction in {C}o2{S}i{O}4 investigated by
                      high resolution neutron spectroscopy},
      journal      = {Journal of magnetism and magnetic materials},
      volume       = {322},
      issn         = {0304-8853},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ. Co.},
      reportid     = {PreJuSER-10519},
      pages        = {3148 - 3152},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We have investigated the hyperfine interaction in Co2SiO4
                      by inelastic neutron scattering with a high resolution
                      back-scattering neutron spectrometer. The energy spectrum
                      measured from a Co2SiO4 powder sample revealed inelastic
                      peaks at E = 1.387 +/- 0.006 mu eV at T = 3.5 K on both
                      energy gain and energy loss sides. The inelastic peaks move
                      gradually towards lower energy with increasing temperature
                      and finally merge with the elastic peak at the electronic
                      magnetic ordering temperature T-N approximate to 50 K. The
                      inelastic peaks have been interpreted to be due to the
                      transition between hyperfine-split nuclear level of the
                      Co-59 isotopes with spin I = 7/2. The temperature dependence
                      of the energy of the inelastic peak in Co2SiO4 showed that
                      this energy can be considered to be the order parameter of
                      the antiferromagnetic phase transition. The determined
                      hyperfine splitting in Co2SiO4 deviates from the linear
                      relationship between the ordered electronic magnetic moment
                      and the hyperfine splitting in Co, Co-P amorphous alloys and
                      CoO presumably due to the presence of unquenched orbital
                      moment. These results are very similar to those of CoF2
                      recently reported by Chatterji and Schneider [7]. (C) 2010
                      Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IFF-4 / IFF-5 / Jülich Centre for Neutron Science JCNS
                      (JCNS) ; JCNS / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB784 / I:(DE-Juel1)VDB785 /
                      I:(DE-Juel1)JCNS-20121112 / $I:(DE-82)080009_20140620$},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung / Großgeräte für die Forschung
                      mit Photonen, Neutronen und Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK505 / G:(DE-Juel1)FUEK415},
      experiment   = {EXP:(DE-MLZ)SPHERES-20140101},
      shelfmark    = {Materials Science, Multidisciplinary / Physics, Condensed
                      Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000279743800033},
      doi          = {10.1016/j.jmmm.2010.05.050},
      url          = {https://juser.fz-juelich.de/record/10519},
}