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@ARTICLE{Chatterji:8823,
      author       = {Chatterji, T. and Ouladdiaf, B. and Hansen, T.C.},
      title        = {{T}he magnetoelastic effect in ${C}o{F}_2$ investigated by
                      means of neutron powder diffraction},
      journal      = {Journal of physics / Condensed matter},
      volume       = {22},
      issn         = {0953-8984},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-8823},
      pages        = {096001},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We have investigated the magnetoelastic effects in CoF(2)
                      associated with the antiferromagnetic phase transition
                      temperature T(N)≈39 K by means of neutron powder
                      diffraction. The temperature variation of the lattice
                      parameters and the unit cell volume has been determined
                      accurately with small temperature steps. From the
                      temperature variation of the lattice parameter c we
                      extracted the lattice strain Δc associated with the
                      antiferromagnetic phase transition. Rietveld refinement of
                      the crystal and magnetic structure from the diffraction data
                      at 2.2 K gave a magnetic moment of 2.57 ± 0.02 μ(B) per Co
                      ion. We determined the temperature variation of the
                      intensity of the 100 magnetic Bragg reflection, which is
                      proportional to the square of the order parameter of the
                      phase transition. We established that the lattice strain Δc
                      couples linearly with the square of the order parameter of
                      the antiferromagnetic phase transition in CoF(2).},
      keywords     = {J (WoSType)},
      cin          = {PGI-4 / ICS-1 / Jülich Centre for Neutron Science JCNS
                      (JCNS) ; JCNS},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)ICS-1-20110106 /
                      I:(DE-Juel1)JCNS-20121112},
      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},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21389428},
      UT           = {WOS:000274602700019},
      doi          = {10.1088/0953-8984/22/9/096001},
      url          = {https://juser.fz-juelich.de/record/8823},
}