Physics – Condensed Matter
Scientific paper
1997-06-06
J. Phys. C.: Condens. Matter 9, 7799 (1997)
Physics
Condensed Matter
19 pages, latex, 3 figures in eps-format
Scientific paper
10.1088/0953-8984/9/37/011
The dynamics of amphiphilic films deposited on a solid surface is analyzed for the case when shear oscillations of the solid surface are excited. The two cases of surface- and bulk shear waves are studied with film exposed to gas or to a liquid. By solving the corresponding dispersion equation and the wave equation while maintaining the energy balance we are able to connect the surface density and the shear viscocity of a fluid amphiphilic overlayer with experimentally accessible damping coefficients, phase velocity, dissipation factor and resonant frequency shifts of shear waves.
Jonson Mats
Kasemo B.
Voinova M. V.
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