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Applied Spectroscopy
Paper

INFRARED REFLECTION-ABSORPTION STUDIES OF THIN FILMS AT GRAZING INCIDENCE.

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Abstract

Infrared spectra of thin films ( less than 200 A) on metals have been observed with Fourier Transform IR spectroscopy (FT-IR) by improvements to the grazing incidence reflection methods proposed by R. G. Greenler. Theoretical extensions to the reflectivity ratio (R-R//0)/R//0, for a number of metals have been made and indicate the optimal conditions for each experiment. Grazing incidence reflection measurements of poly(methyl methacrylate) (PMMA) films (thickness 180 A) have been made on silver-, aluminum-, copper-, and chromium-coated substrates.

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Applied Spectroscopy

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