A DOUBLE-MODULATION FTIR REFLECTION TECHNIQUE FOR STUDYING ADSORBATES ON METAL SURFACES
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Publisher:Ohio State University
Polarization modulation has been combined with FTIR to yield a very sensitive method for obtaining infrared reflection-absorption spectra of monolayer and submonolayer concentrations on low-area metal surfaces. This double-modulation method will be compared with three other experimental approaches, each involving reflection of polarized light from flat metal surfaces at near-grazing angles of incidence. Systems studied include thin films of organic dye materials and long-chain carboxylic acid derivatives.
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