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Autocorrelation functions for rough (random, quasiperiodical and deterministicperiodical) surfaces are deduced from the surface profiles determined by using the line-by-line analysis of atomic force microscopy images. It is shown that the initial parts of autocorrelation functions have a Gaussian form. An attempt to use the concept of fractal as a bridge between deterministic periodic and random (spontaneous)...
The optical properties (infrared reflectance) and the photoemission current for the surface-barrier structures of metal-semiconductor type with microrelief interface have been investigated. The participation of surface plasmon polaritons in internal photoemission of the Au-GaAs Schottky barriers has been observed.
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