@inproceedings{b34fdf7416eb4b8b86a1cd422cf0607b,
title = "Model kinetics of Surface Relief Gratings formation in organic thin films: Experimental and Monte Carlo studies",
abstract = "The semi-macroscopic mechanisms responsible for the surface relief gratings (SRG) formation on azobenzene-containing films are far from deep understanding.(1) We present the results of experimental studies of SRG in PMMA and PVK polymeric matrices. The Monte Carlo (MC) kinetics of polymeric movements is reported for recently proposed model 2 which mimics the effect of mass transport along the direction of light modulation, resulting from multiple trans cis photoisomerisation cycles of functionalized dyes. We show that the model, symmetric on {"}microscopic{"} level, leads to a directed mass transfer from bright to dark places. Preliminary studies show that the centers of mass of polymer chains undergo a normal diffusion under the light illumination. No global light-induced ordering of polymeric chains was detected. MC studies were performed for a system consisting of half a million of model monomers.",
keywords = "surface relief grating, Monte Carlo, two wave mixing, AZO POLYMER-FILMS, DIFFRACTION GRATINGS, DIFFUSION",
author = "G. Pawlik and W. Kordas and Mitus, {A. C.} and B. Sahraoui and R. Czaplicki and F. Kajzar",
year = "2007",
doi = "10.1117/12.737604",
language = "English",
isbn = "978-0-8194-6898-7",
series = "PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)",
publisher = "SPIE",
pages = "74007--74007",
editor = "JG Grote and F Kajzar and M Lindgren",
booktitle = "Optical Materials In Defence Systems Technology IV",
address = "United States",
note = "Conference on Optical Materials in Defence Systems Technology IV ; Conference date: 17-09-2007 Through 18-09-2007",
}