Characterization of anomalous flow and phase behavior in a Langmuir monolayer of 2-hydroxy-tetracosanoic acid

Article Abstract:

The results of experimental measurements of the viscoelastic behavior of the fatty acid 2-hydroxytetracosanoic acid (2-OH TCA) and X-ray measurements of the monolayer structure are reported. Two interesting behaviors, phase coexistence between the [L.sub.2h] and L2' phases over a large pressure range and a peak in the viscosity and elastic modulus of the material as a function of pressure are observed.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Chemical preparations, not elsewhere classified, Fatty Acids & Derivatives, Fatty acids, Monomolecular films, Structure, Hydroxy acids

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Influence of substrate treatment on self-organized pattern formation by Langmuir-Blodgett transfer

Article Abstract:

The influence of substrates on the pattern formation by Langmuir-Blodgett (LB) transfer is examined by using silicon slides treated by different cleaning processes. The shift in the transfer pressure range for patterning is described with a model of equivalent states and also by considering the effect of microscale water films on the substrates.

Analysis, Usage, Thin films, Multilayered, Multilayered thin films, Chemical models, Substrates

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