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@ARTICLE{Kbler:57845,
      author       = {Köbler, U. and Hoser, A. and Hoffmann, J.-U. and Thomas,
                      C.},
      title        = {{O}ne-dimensional bulk ferromagnets: {N}d{A}l2 and hcp
                      cobalt},
      journal      = {Solid state communications},
      volume       = {137},
      issn         = {0038-1098},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-57845},
      pages        = {301 - 305},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {It is shown experimentally that NdAl2 and hcp cobalt are
                      one-dimensional (1D) bulk ferromagnets. For hcp cobalt this
                      is only under the condition that the sample is magnetically
                      saturated, i.e. that all moments are aligned parallel to the
                      hexagonal c-axis. In 1D magnets the transverse interactions
                      need not to be zero but must be sufficiently weak such that
                      the transverse correlation length does not diverge at the
                      critical temperature. The transverse interactions are then
                      not relevant and the phase transition is driven by the
                      longitudinal interactions. On the other hand, magnetic Bragg
                      scattering relies on finite transverse correlations. For
                      NdAl2 no conventional magnetic Bragg scattering is observed
                      if all moments are aligned vertical to the scattering plane
                      by a magnetic field. For hcp cobalt the scattering intensity
                      is considerably reduced in this geometry instead of having
                      its maximum. From this observation it can be concluded that
                      the transverse correlation length is practically zero in
                      NdAl2 but has a finite value in hcp cobalt. The macroscopic
                      magnetization shows normal ferromagnetic saturation. (c)
                      2005 Elsevier Ltd. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IFF-INS / IFF-ISM},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB341 / I:(DE-Juel1)VDB342},
      pnm          = {Kondensierte Materie / Großgeräte für die Forschung mit
                      Photonen, Neutronen und Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK414 / G:(DE-Juel1)FUEK415},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000235426400005},
      doi          = {10.1016/j.ssc.2005.11.041},
      url          = {https://juser.fz-juelich.de/record/57845},
}