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@INPROCEEDINGS{Meven:840612,
      author       = {Meven, Martin},
      title        = {{HEIDI}, instrument status and surprising phase
                      transitions},
      reportid     = {FZJ-2017-08117},
      year         = {2017},
      abstract     = {The single crystal diffractometer HEIDI is jointly operated
                      by RWTH Aachen, Institut für Kristallographie and the
                      Jülich Centre for Neutron Science (JCNS). Using the hot
                      source of FRM II the instrument covers a range of
                      wavelengths between 1.17 Å down to 0.56 Å to study
                      chemical and magnetic structures with high resolution (and
                      large Q range respectively) using unpolarized neutrons. The
                      talk will give an overview of the instrument including the
                      current status of the BMBF funded project to optimize
                      measurements on single crystal samples in the sub-millimeter
                      range and first experimental results using the high
                      temperature mirror furnace with gas handling option. In
                      addition, some very recent and surprising experimental
                      results concerning the temperature T and time t dependent
                      order-disorder of H bonds in a small molecule and the not so
                      obvious T dependent behaviour of incommensurate
                      superstructure reflections in a multiferroic compound are
                      presented.},
      month         = {Jun},
      date          = {2017-06-19},
      organization  = {3rd internal biennal science meeting
                       of the MLZ, Grainau (Germany), 19 Jun
                       2017 - 22 Jun 2017},
      subtyp        = {Invited},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / JCNS-2},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)HEIDI-20140101},
      typ          = {PUB:(DE-HGF)31},
      url          = {https://juser.fz-juelich.de/record/840612},
}