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000011979 084__ $$2WoS$$aPolymer Science
000011979 1001_ $$0P:(DE-Juel1)130781$$aKusmin, A.$$b0$$uFZJ
000011979 245__ $$aPolymer dynamics in nanochannels of porous silicon: A neutron   spin echo study
000011979 260__ $$aWashington, DC$$bSoc.$$c2010
000011979 300__ $$a8162 - 8169
000011979 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000011979 440_0 $$04142$$aMacromolecules$$v43$$x0024-9297$$y19
000011979 500__ $$aA.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.
000011979 520__ $$aNeutron spin echo spectra of poly(ethylene oxide) (PEO) melts confined in porous silicon (the mean pore diameter: 13 nm) were recorded at Q = 0.05, 0.08, and 0.11 angstrom(-1) and successfully analyzed in terms of a two-state model, where chains adsorbed to the pore walls exhibit much slower internal dynamics than in the bulk and their centers-of-mass do not move, while free chains have hulk like internal dynamics and diffuse within an infinite cylinder in the center of the pore. The radius of this cylinder was found to be 1.4 nm for PE:0 3 kg/mol (3k); this corresponds to the thickness Idle adsorbed layer to be approximately equal to the Flory radius. As opposed to PEO 10k, for which details on the center of mass diffusion could not he discerned, for PEO 3k the diffusion rate along the pore was found to he smaller than that in the radial direction.
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000011979 7001_ $$0P:(DE-HGF)0$$aGruener, S.$$b1
000011979 7001_ $$0P:(DE-HGF)0$$aHenschel, A.$$b2
000011979 7001_ $$0P:(DE-Juel1)VDB76837$$ade Souza, N.R.$$b3$$uFZJ
000011979 7001_ $$0P:(DE-Juel1)130501$$aAllgaier, J.$$b4$$uFZJ
000011979 7001_ $$0P:(DE-Juel1)130917$$aRichter, D.$$b5$$uFZJ
000011979 7001_ $$0P:(DE-HGF)0$$aHuber, P.$$b6
000011979 773__ $$0PERI:(DE-600)1491942-4$$a10.1021/ma1004925$$gVol. 43, p. 8162 - 8169$$p8162 - 8169$$q43<8162 - 8169$$tMacromolecules$$v43$$x0024-9297$$y2010
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