Surface acoustic wave propagation in Langmuir-Blodgett layers

The amplitude of surface acoustic wave (SAW) was monitored during the Langmuir-Blodgett deposition. This in-situ measurement enabled to detect the changes caused by superimposing individual monomolecular layers on LiNbO 3 crystal. The experimental dependence of the SAW-echo on the film thickness was...

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Bibliographic Details
Published in:Applied surface science 1997, Vol.108 (1), p.53-57
Main Authors: Cirák, J., Koštial, P., Vajda, J., Tomčík, P., Barančok, D., Keleši, L.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Langmuir blodgett films
Surface physical chemistry
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Summary:The amplitude of surface acoustic wave (SAW) was monitored during the Langmuir-Blodgett deposition. This in-situ measurement enabled to detect the changes caused by superimposing individual monomolecular layers on LiNbO 3 crystal. The experimental dependence of the SAW-echo on the film thickness was fitted by the theoretical curve derived from the model of SAW propagation at the thin layer-substrate interface.
ISSN:0169-4332
1873-5584
DOI:10.1016/S0169-4332(96)00569-7