| Issue |
Europhys. Lett.
Volume 71, Number 2, July 2005
|
|
|---|---|---|
| Page(s) | 311 - 317 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2004-10539-0 | |
| Published online | 15 June 2005 | |
Lipid membranes on a surface grating studied by neutron reflectometry
Institut fuer Roentgenphysik - Friedrich-Hund-Platz 1, 37077 Goettingen, Germany
Received:
23
July
2004
Accepted:
23
May
2005
This experiment presents a new approach to measure elasticity
parameters of lipid bilayers. We have deposited a stack of
phospholipid bilayers on a silicon surface grating defined by
e-beam lithography. The periodic surface profile acts as a
boundary condition which imposes a controlled strain in the
smectic film. Probing this distortion field by neutron
reflectometry, we determine the smectic penetration length
from the relative intensity of
the satellite peaks.
PACS: 87.16.Dg – Membranes, bilayers, and vesicles / 61.12.Ha – Neutron reflectometry / 62.20.Dc – Elasticity, elastic constants
© EDP Sciences, 2005
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