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@ARTICLE{Krause:155452,
      author       = {Krause, Christina and Zorn, Reiner and Frick, Bernhard and
                      Schönhals, Andreas},
      title        = {{T}hermal properties and vibrational density of states of a
                      nanoconfined discotic liquid crystal},
      journal      = {Colloid $\&$ polymer science},
      volume       = {292},
      number       = {8},
      issn         = {1435-1536},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2014-04618},
      pages        = {1949 - 1960},
      year         = {2014},
      abstract     = {Neutron scattering is employed to investigate the
                      vibrational density of states (VDOS) of the discotic liquid
                      crystal 2,3,6,7,10,11-hexakis[hexyloxy] triphenylene (HAT6)
                      confined to the pores of alumina oxide membranes with
                      different pore sizes. Additionally, the phase transitions
                      were studied by differential scanning calorimetry. The
                      transitions were observed down to the smallest pore size.
                      The decrease of the transition enthalpies versus inverse
                      pore size for both transitions implies an increase of the
                      amount of disordered amorphous material. By extrapolation of
                      its pore size dependence, a critical pore diameter for
                      structure formation of 17 nm is estimated. Similar to the
                      bulk, excess contributions to the VDOS (Boson peak) are also
                      observed for confined HAT6. The Boson peak gains in
                      intensity and shifts to lower frequencies with decreasing
                      pore diameter. This is discussed in the framework of a
                      softening of HAT6 induced by the confinement due to a
                      less-developed plastic crystalline state inside the pores
                      compared to the bulk.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
                      (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000339888900021},
      doi          = {10.1007/s00396-014-3247-3},
      url          = {https://juser.fz-juelich.de/record/155452},
}