Interfaces and thin films as seen by bound electromagnetic waves

Article Abstract:

Plasmon surface polaritons and guided optical waves have been used for characterizing interfaces and thin organic films. Examples can show how interfacial light of a sort can be used to look at thin coatings at a solid/liquid or solid/air junction. Thickness determination can be very precise and samples can go from self-assembled monolayers to multilayer samples made with the Langmuir/Blodgett/Kuhn technique or other polyelectrolyte deposition. Kinetic time-dependent processes also can be looked at with the technique. Combination set-ups of surface plasmon optics with electrochemical techniques can allow for online characterization of assorted surface functionalization methods, perhaps for bio sensor or other sensor use. Evanescent wave optics are discussed.

United States, Japan, Research, Usage, Observations, Thin films, Waveguides, Chemistry, Physical and theoretical, Physical chemistry, Plasmons (Physics), Electromagnetic radiation, Electromagnetic waves, Polaritons, Plasma waves

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Theory of structural glasses and supercooled liquids

Article Abstract:

The phenomena occurring above and below the glass transition temperature are quantitatively as well as theoretically explained. The dynamic heterogeneity in suprcooled liquids leading to mosaic structures is one of the major phenomena.

Analysis, Supercooled liquids, Transition temperature, Structure, Phase transition temperatures

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