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@ARTICLE{Bras:17169,
      author       = {Bras, A.R. and Pasquino, R. and Koukoulas, T. and Tsolou,
                      G. and Holderer, O. and Radulescu, A. and Allgaier, J. and
                      Mavrantzas, V. and Pykchout-Hintzen, W. and Wischnewski, A.
                      and Vlassopoulos, D.},
      title        = {{S}tructure and {D}ynamics of {P}olymer {R}ings by
                      {N}eutron {S}cattering: {B}reakdown of the {R}ouse {M}odel},
      journal      = {Soft matter},
      volume       = {7},
      issn         = {1744-683X},
      address      = {Cambridge},
      publisher    = {Royal Society of Chemistry (RSC)},
      reportid     = {PreJuSER-17169},
      pages        = {11169 - 11176},
      year         = {2011},
      note         = {The authors thank T. Chang (Pohang University of Science
                      and Technology, South Korea) for the LCCC analysis. The
                      authors acknowledge EU for funding through the ITN-214627
                      (DYNACOP). ARB and RP acknowledge DYNACOP for a post-doc
                      grant.},
      abstract     = {We present a static and quasi-elastic neutron scattering
                      study on both the structure and dynamics of a ring polymer
                      in a ring and linear polymer melt, respectively. In the
                      first case, the ring structure proved to be significantly
                      more compact compared to the linear chain with the same
                      molecular weight. In the mixture, the ring molecules swell
                      as was confirmed by small angle neutron scattering ( SANS)
                      in accordance with both theory and simulation work. The
                      dynamical behavior of both systems, which for the first time
                      has been explored by neutron spin echo spectroscopy (NSE),
                      shows a surprisingly fast center of mass diffusion as
                      compared to the linear polymer. These results agree
                      qualitatively with the presented atomistic MD simulations.
                      The fast diffusion turned out to be an explicit violation of
                      the Rouse model.},
      keywords     = {J (WoSType)},
      cin          = {ICS-1 / JCNS (München) ; Jülich Centre for Neutron
                      Science JCNS (München) ; JCNS-FRM-II / JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-1-20110106 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      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 / EXP:(DE-MLZ)KWS2-20140101},
      shelfmark    = {Chemistry, Physical / Materials Science, Multidisciplinary
                      / Physics, Multidisciplinary / Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000297029500018},
      doi          = {10.1039/c1sm06257c},
      url          = {https://juser.fz-juelich.de/record/17169},
}