1
Fryazino Branch of Kotel’nikov Institute of Radio Engineering
and Electronics
of Russian Academy of Sciences,
141120, Fryazino, Moscow reg., Vvedenskii sq. 1
2 Moscow Institute
of Physics and Technology (State University), 141701, Dolgoprudnyy, Moscow Region, Institutskiy per. 9
The paper is received on January
16, 2018
Abstract. The results of
theoretical studies of the generation of capillary waves in an aqueous medium
by the electrostriction method are presented.
The method is based on determination of the wavelength and damping of surface
acoustic waves so allowing one to determine surface tension and surface
viscosity of a monolayer. An alternating electric
field is used to generate surface waves which
when combined with optical measurement renders this technique absolutely
contact free. It is shown that the presence of a lipid film on the surface of a
liquid changes the wavelength of capillary waves and the attenuation
coefficient for a fixed excitation frequency. One advantage of the method is
that an ac electric field is used to generate surface waves which when combined
with optical measurement renders this technique absolutely contact free. The
results so obtained can serve as a basis for subsequent experiments applying
electrostriction generation of capillary waves to the study of the surface
properties of lipid monolayers as affected by microwave radiation.
Key words:
generation of surface acoustic
waves, surfactants,
lipid monolayers,
models of biological membranes,
wavelength
and attenuation of surface acoustic waves.
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For citation: