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000017169 0247_ $$2DOI$$a10.1039/C1SM06257C
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000017169 084__ $$2WoS$$aChemistry, Physical
000017169 084__ $$2WoS$$aMaterials Science, Multidisciplinary
000017169 084__ $$2WoS$$aPhysics, Multidisciplinary
000017169 084__ $$2WoS$$aPolymer Science
000017169 1001_ $$0P:(DE-HGF)0$$aBras, A.R.$$b0
000017169 245__ $$aStructure and Dynamics of Polymer Rings by Neutron Scattering: Breakdown of the Rouse Model
000017169 260__ $$aCambridge$$bRoyal Society of Chemistry (RSC)$$c2011
000017169 300__ $$a11169 - 11176
000017169 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000017169 440_0 $$016881$$aSoft Matter$$v7$$x1744-683X$$y23
000017169 500__ $$aThe authors thank T. Chang (Pohang University of Science and Technology, South Korea) for the LCCC analysis. The authors acknowledge EU for funding through the ITN-214627 (DYNACOP). ARB and RP acknowledge DYNACOP for a post-doc grant.
000017169 520__ $$aWe 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.
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000017169 693__ $$0EXP:(DE-MLZ)J-NSE-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)J-NSE-20140101$$6EXP:(DE-MLZ)NL2ao-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz$$eJ-NSE: Neutron spin-echo spectrometer$$fNL2ao$$x0
000017169 693__ $$0EXP:(DE-MLZ)KWS2-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)KWS2-20140101$$6EXP:(DE-MLZ)NL3ao-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz$$eKWS-2: Small angle scattering diffractometer$$fNL3ao$$x1
000017169 7001_ $$0P:(DE-HGF)0$$aPasquino, R.$$b1
000017169 7001_ $$0P:(DE-HGF)0$$aKoukoulas, T.$$b2
000017169 7001_ $$0P:(DE-HGF)0$$aTsolou, G.$$b3
000017169 7001_ $$0P:(DE-Juel1)130718$$aHolderer, O.$$b4$$uFZJ
000017169 7001_ $$0P:(DE-Juel1)VDB4342$$aRadulescu, A.$$b5$$uFZJ
000017169 7001_ $$0P:(DE-Juel1)130501$$aAllgaier, J.$$b6$$uFZJ
000017169 7001_ $$0P:(DE-HGF)0$$aMavrantzas, V.$$b7
000017169 7001_ $$0P:(DE-Juel1)VDB100706$$aPykchout-Hintzen, W.$$b8$$uFZJ
000017169 7001_ $$0P:(DE-Juel1)131040$$aWischnewski, A.$$b9$$uFZJ
000017169 7001_ $$0P:(DE-HGF)0$$aVlassopoulos, D.$$b10
000017169 773__ $$0PERI:(DE-600)2191476-X$$a10.1039/c1sm06257c$$gVol. 7, p. 11169 - 11176$$p11169 - 11176$$q7<11169 - 11176$$tSoft matter$$v7$$x1744-683X$$y2011
000017169 8567_ $$uhttp://dx.doi.org/10.1039/C1SM06257C
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000017169 9141_ $$aFirst published on the web 13 Oct 2011$$y2011
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