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@ARTICLE{Sharma:908552,
      author       = {Sharma, Aakash and Kruteva, Margarita and Zamponi, Michaela
                      and Ehlert, Sascha and Richter, Dieter and Förster,
                      Stephan},
      title        = {{I}nfluence of molecular weight on the distribution of
                      segmental relaxation in polymer grafted nanoparticles},
      journal      = {Physical review materials},
      volume       = {6},
      number       = {1},
      issn         = {2475-9953},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2022-02676},
      pages        = {L012601},
      year         = {2022},
      abstract     = {The segmental dynamics of one-component nanocomposites
                      (OCNC) is significantly influenced by the molecular weight
                      (Mw) of the grafted polymer. Neutron backscattering shows
                      that compared to the neat polymer the OCNCs exhibit a shift
                      from slower segmental dynamics at low Mw to faster dynamics
                      at high Mw. We model the local relaxation as distribution of
                      exponential diffusers. This approach reveals the presence of
                      fast and slow segments in both OCNCs. However, their
                      fractional contribution varies with Mw leading to different
                      average relaxation times. Our results present important
                      insights into the origin of segmental mobility in OCNC and
                      address the inconsistencies in different literature
                      reports.},
      cin          = {JCNS-FRM-II / MLZ / JCNS-1 / JCNS-2 / JCNS-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
                      I:(DE-Juel1)JCNS-4-20201012},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)SPHERES-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000753878000002},
      doi          = {10.1103/PhysRevMaterials.6.L012601},
      url          = {https://juser.fz-juelich.de/record/908552},
}