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@ARTICLE{Goossen:171701,
author = {Goossen, Sebastian and Bras, Ana and Krutyeva, M. and
Sharp, M. and Falus, P. and Feoktystov, A. and Gasser, U.
and Pyckhout-Hintzen, W. and Wischnewski, A. and Richter,
D.},
title = {{M}olecular {S}cale {D}ynamics of {L}arge {R}ing
{P}olymers},
journal = {Physical review letters},
volume = {113},
number = {16},
issn = {1079-7114},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2014-05270},
pages = {168302},
year = {2014},
abstract = {We present neutron scattering data on the structure and
dynamics of melts from polyethylene oxide rings with
molecular weights up to ten times the entanglement mass of
the linear counterpart. The data reveal a very compact
conformation displaying a structure approaching a mass
fractal, as hypothesized by recent simulation work. The
dynamics is characterized by a fast Rouse relaxation of
subunits (loops) and a slower dynamics displaying a lattice
animal-like loop displacement. The loop size is an intrinsic
property of the ring architecture and is independent of
molecular weight. This is the first experimental observation
of the space-time evolution of segmental motion in ring
polymers illustrating the dynamic consequences of their
topology that is unique among all polymeric systems of any
other known architecture.},
cin = {ICS-1 / JCNS (München) ; Jülich Centre for Neutron
Science JCNS (München) ; JCNS-FRM-II / Neutronenstreuung ;
JCNS-1},
ddc = {550},
cid = {I:(DE-Juel1)ICS-1-20110106 /
I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
(POF2-54G24)},
pid = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
experiment = {EXP:(DE-MLZ)KWS1-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000344032500011},
doi = {10.1103/PhysRevLett.113.168302},
url = {https://juser.fz-juelich.de/record/171701},
}