Schematic diagrams of (a) the bird’s-eye view and (b) the cross sectional view of the present IRAS device for a sandwiched monolayer between a Si substrate and a Hg electrode.
Vibrational spectra for a C18 monolayer on Si(111) by (a) transmission IR with the incidence of the Brewster angle, and (b) IRAS.
(a) Optical path of IRAS based on the three-phase model with a Si layer. (b) Optical path in transmission measurement. The , , and refer to the dielectric functions, refractive indexes, and extinction coefficients, respectively.
Difference spectra of the C18 monolayer between the nonbias and certain bias voltages. : the applied bias to the Hg electrode, and I: current. The short bars indicate the position of peaks and dips.
Assignments for C–H stretching modes of the C18 monolayer on Si(111).
Comparison of noise levels in absorbance.
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