Journal Article

PreJuSER-34175

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Measuring bending rigidity and spatial renormalization in bicontinuous microemulsions

Gompper, G.FZJ* ; Endo, H.FZJ* ; Mihailescu, M.FZJ* ; Allgaier, J.FZJ* ; Monkenbusch, M.FZJ* ; Richter, D.FZJ* ; Jakobs, B. ; Sottmann, T. ; Strey, R.

2001
EDP Sciences Les Ulis

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Please use a persistent id in citations: doi:10.1209/epl/i2001-00574-3

Abstract: We demonstrate a new approach to determine the bending rigidity of the amphiphile lm in microemulsions and sponge phases from neutron scattering data. This method is precise enough to measure the logarithmic scale dependence of the bending rigidity and its universal prefactor for the rst time. Furthermore, we show that in the mushroom regime the bending rigidity of a membrane decorated by amphiphilic block copolymers increases linearly with the polymer concentration on the membrane; the amplitude is found to be about a factor 1.5 larger than theoretical results for ideal chains.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Neutronenstreuung (IFF-NST)
2. Theorie II (IFF-TH-II)

Research Program(s):

1. Polymere, Membranen und komplexe Flüssigkeiten (23.30.0)

Appears in the scientific report 2001

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Database coverage:
Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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