Infrared Absorption and Raman Scattering

Black-CuO: surface-enhanced Raman scattering and infrared properties.

Large surface area samples of nanotextured black CuO were prepared by chemical etching of Cu for use in surface-enhanced Raman scattering (SERS). The SERS intensity of a self-assembled monolayer (SAM) of thiophenol was proportional to the thickness of a nanoscale-conformal Au film deposited by magnetron sputtering over the black CuO. A very high SERS yield of ∼10(4) counts per s per mW was obse...

Near-Infrared Absorption and Scattering Spectra of Tissues in Vivo

Tissue inhomogeneity is often neglected in the analysis of the spectral data collected in tissues. We have measured the absorption and reduced scattering spectra of the human forearm in the wavelength range 633-841 nm, and in the range of source-detector separations 0.7-3.3 cm. We found that the layered tissue structure due to the skin and adipose layers may have a significant effect not only o...

I . Tunable infrared generation by Raman scattering 1 1

Metallic nanoparticle arrays: a common substrate for both surface-enhanced Raman scattering and surface-enhanced infrared absorption.

Nanoshell arrays have recently been found to possess ideal properties as a substrate for combining surface enhanced raman scattering (SERS) and surface enhanced infrared absorption (SEIRA) spectroscopies, with large field enhancements at the same spatial locations on the structure. For small interparticle distances, the multipolar plasmon resonances of individual nanoshells hybridize and form r...

Exchange Spin Waves and Their Manifestation in Two-magnon Absorption and Raman Scattering

Spin waves whose activation energy in exchange approximation remains finite and is defined by exchange magnetic interaction integrals are called exchange spin waves (ESW). In antiferromagnets with n magnetic sublattices, collinear in exchange approximation the SW spectrum exhibits n 2 exchange branches. Peculiarities of the ESW manifestation in the two-magnon absorption (TMA) and Raman scatteri...