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@ARTICLE{Kusmin:11979,
      author       = {Kusmin, A. and Gruener, S. and Henschel, A. and de Souza,
                      N.R. and Allgaier, J. and Richter, D. and Huber, P.},
      title        = {{P}olymer dynamics in nanochannels of porous silicon: {A}
                      neutron spin echo study},
      journal      = {Macromolecules},
      volume       = {43},
      issn         = {0024-9297},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PreJuSER-11979},
      pages        = {8162 - 8169},
      year         = {2010},
      note         = {A.K. thanks O. Holderer and M. Monken-busch for the help
                      with getting familiar with NSE in general and J-NSE in
                      particular. This work has been supported by the German
                      Research Foundation (DFG) within the priority program SP
                      1164, Nano- and Microfluidies, Grant No. Hu 850/2.},
      abstract     = {Neutron spin echo spectra of poly(ethylene oxide) (PEO)
                      melts confined in porous silicon (the mean pore diameter: 13
                      nm) were recorded at Q = 0.05, 0.08, and 0.11 angstrom(-1)
                      and successfully analyzed in terms of a two-state model,
                      where chains adsorbed to the pore walls exhibit much slower
                      internal dynamics than in the bulk and their centers-of-mass
                      do not move, while free chains have hulk like internal
                      dynamics and diffuse within an infinite cylinder in the
                      center of the pore. The radius of this cylinder was found to
                      be 1.4 nm for PE:0 3 kg/mol (3k); this corresponds to the
                      thickness Idle adsorbed layer to be approximately equal to
                      the Flory radius. As opposed to PEO 10k, for which details
                      on the center of mass diffusion could not he discerned, for
                      PEO 3k the diffusion rate along the pore was found to he
                      smaller than that in the radial direction.},
      keywords     = {J (WoSType)},
      cin          = {IFF-5 / IFF-4 / Jülich Centre for Neutron Science JCNS
                      (JCNS) ; JCNS},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB785 / I:(DE-Juel1)VDB784 /
                      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},
      experiment   = {EXP:(DE-MLZ)J-NSE-20140101},
      shelfmark    = {Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000282478500042},
      doi          = {10.1021/ma1004925},
      url          = {https://juser.fz-juelich.de/record/11979},
}