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Updated: Aug 12, 2026

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
Published on: August 27, 2013
Monolayers at the air-water interface: Maxwell displacement current and optical second-harmonic generation studies
A V Zakharov1, Mitsumasa Iwamoto
1Laboratorium voor Akoestiek en Thermische Fysica, Department Natuurkunde en Sterrenkunde, Katholieke Universiteit Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium. Alexandre.Zakharov@fys.kuleuven.ac.be
Abstract:
The structural properties and the surface pressure pi-A isothermal diagram have been investigated during compression of the 4-n-pentyl-4'-cyanobiphenyl (5CB) monolayer film on the water surface, both experimentally, using both the Maxwell displacement current (MDC) and optical second-harmonic generation (SHG) techniques, and theoretically, in the framework of the molecular model, assuming that the randomly tilted polar 5CB molecules on the water surface are replaced by the collective tilted array of unit vectors. The average angle is evaluated based on the both MDC and SHG techniques. The reasonable agreement between the calculated and experimental values of pi(A) was obtained.
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