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@ARTICLE{Violini:129056,
      author       = {Violini, N. and Orecchini, A. and Paciaroni, A. and
                      Petrillo, C. and Sacchetti, F.},
      title        = {{N}eutron scattering investigation of high-frequency
                      dynamics in glassy glucose},
      journal      = {Physical review / B},
      volume       = {85},
      number       = {13},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2013-00578},
      pages        = {134204},
      year         = {2012},
      abstract     = {The vibrational dynamics of vitreous glucose has been
                      investigated by means of inelastic neutron scattering
                      experiments, exploiting the coherent scattering cross
                      section of deuterium in a fully deuterated sample and the
                      high incoherent scattering cross section of hydrogen in a
                      hydrogenated sample. The first part of the experiment
                      allowed a rather detailed investigation of the collective
                      dynamics in the THz range. The second part of the experiment
                      was used to derive some information on the vibrational
                      density of states of the system. The experiment confirms the
                      presence of a propagating vibrational mode which is the
                      natural extension at THz frequencies of the lower
                      frequencies longitudinal sound mode. In addition, a second
                      mode is also observed at a lower and almost constant
                      frequency, showing an increasing intensity on reducing the
                      wavelength. By comparing the dispersion relations of these
                      collective modes to the experimental density of states, a
                      possible relation between the low frequency mode and the
                      well known excess of low frequency modes, that is, the boson
                      peak, is identified.},
      cin          = {JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {899 - ohne Topic (POF2-899)},
      pid          = {G:(DE-HGF)POF2-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000302904900001},
      doi          = {10.1103/PhysRevB.85.134204},
      url          = {https://juser.fz-juelich.de/record/129056},
}