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The GaSe crystal doped with AgGaS2 has been grown and evaluated by SEM and TEM. The chemical composition analysis has been produced by atomic spectrometry methods. Micromorphology and structural parameters of GaSe:AgGaS2 crystal are very similar to those of pure GaSe. The inhomogeneous distribution of Ag over crystal probes has been detected by atomic-absorption spectrometry (AAS). Generally, the...
Nanostructured Y2O3 films with an average crystallite-size ranging from 5 to 40 nm were grown by sputter-deposition onto Si(100) substrates. The surface structure and optical properties of Y2O3 films were evaluated. The size-effects were significant on the optical constants and their dispersion profiles of Y2O3 films.
Dispersion of refractive index and extinction coefficient of nickel film and nickel crystal surface (100) has been determined with spectroscopic ellipsometry over spectral range λ ~ 250-1030 nm. Nickel film has been prepared by thermal evaporation method. Nickel crystal has been grown by horizontal Bridgman method. The crystal surface (100) at a first stage was mechanically polished and then treated...
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