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@ARTICLE{Martin:9699,
author = {Martin, J. and Krutyeva, M. and Monkenbusch, M. and Arbe,
A. and Allgaier, J. and Radulescu, A. and Falus, P. and
Maiz, J. and Mijangos, C. and Colmenero, J. and Richter, D.},
title = {{D}irect {O}bservation of confined {S}ingle {C}hain
{D}ynamics by {N}eutron {S}cattering},
journal = {Physical review letters},
volume = {104},
issn = {0031-9007},
address = {College Park, Md.},
publisher = {APS},
reportid = {PreJuSER-9699},
pages = {197801},
year = {2010},
note = {We thank M. Hernandez-Velez, A. R. Gonzalez-Elipe, J. Gil,
R. Sastre, O. Garcia, and M. Brodeck, SoftComp NoE,
MAT2007-63681, IT-436-07 (GV), the MEyC (CSD2006-53), Grants
FPU AP2005-1063 and MAT2008-1073.},
abstract = {Neutron spin echo has revealed the single chain dynamic
structure factor of entangled polymer chains confined in
cylindrical nanopores with chain dimensions either much
larger or smaller than the lateral pore sizes. In both
situations, a slowing down of the dynamics with respect to
the bulk behavior is only observed at intermediate times.
The results at long times provide a direct microscopic
measurement of the entanglement distance under confinement.
They constitute the first experimental microscopic evidence
of the dilution of the total entanglement density in a
polymer melt under strong confinement, a phenomenon that so
far was hypothesized on the basis of various macroscopic
observations.},
keywords = {J (WoSType)},
cin = {IFF-4 / IFF-5 / Jülich Centre for Neutron Science JCNS
(JCNS) ; JCNS},
ddc = {550},
cid = {I:(DE-Juel1)VDB784 / I:(DE-Juel1)VDB785 /
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 / EXP:(DE-MLZ)KWS2-20140101},
shelfmark = {Physics, Multidisciplinary},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000277699600053},
doi = {10.1103/PhysRevLett.104.197801},
url = {https://juser.fz-juelich.de/record/9699},
}