Changes in the surface morphology of organic films under the action of laser radiation
Turiev A. M.
1, Berezov A. V.
1, Dzagoev A. T.
11Khetagurov North Ossetian State University, Vladikavkaz, Russia
Email: ra6jt@mail.ru, berartvlad@mail.ru, arsendzagoeff@yandex.ru
The results of an experimental study of the desorption of organic molecular fragments from perylene derivatives upon changes in film surface morphology under the influence of laser radiation are presented. A combined analysis of laser-stimulated desorption and atomic force microscopy data allowed us to establish patterns in the changes in the morphology and composition of the desorption flux from the film surface. The dependences of the film surface topography on the composition of the desorption mass spectra of organic molecular fragments and adsorption coating particles are obtained. It is shown that the spectral composition and desorption intensity of molecular fragments can be used to assess the surface morphology of organic films. Keywords: organic films, surface morphology, mass spectra, fragment desorption, laser radiation.
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