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Title: Finite-size effects in biomimetic smectic films
Authors: Harroun, T.A.
Raghunathan, V.A.
Pencer, J.
Nieh, M.P.
Katsaras, J.
Issue Date: 20-Dec-2004
Publisher: The American Physical Society
Citation: Physical Review E, 2004, Vol.70, 062902-062907
Abstract: Thin stacks of lipid multibilayers supported on rigid silicon and mica substrates are found to exhibit finite-size effects. Using neutron diffraction we find that the repeat spacing (d) of stacks containing up to a few tens of bilayers depends on their thickness (D), with d increasing with decreasing D. Differences in d are larger in the low-temperature Lbeta[prime] phase consisting of rigid bilayers than in the high-temperature Lalpha phase where the bilayers are more flexible. Various scenarios that may be responsible for this counterintuitive observation are discussed.
ISSN: ISSN 1550-2376 (online)
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Copyright: (2004) by the American Physical Society
Appears in Collections:Research Papers (SCM)

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