Investigation of the surface relief grating formation on amorphous azobenzene polymer films [Elektronische Ressource] / vorgelegt von Padmanabh U. Veer

Investigation of the Surface Relief Grating formation on amorphous azobenzene polymer films DISSERTATION zur Erlangung des Grades eines Doktors der Naturwissenschaften vorgelegt von M.Sc Padmanabh U. Veer geb. am 07.02.1980 in solapur (INDIA) Eingereicht beim Fachbereich-7, Physik der Universität Siegen Siegen 2009.  Disputation: 15 october 2009 Supervisor Prof. Dr. Ullrich Pietsch Dept. of Solid State Physics University of Siegen Germany. Examiner Dr. Marina Saphiannikova Leibnitz Institute of Polymer Research Dresden Germany. Prof. Dr. Holger Schönherr Physical Chemistry University of Siegen Germany. 1 Table of Contents Preface ....................................................................................................................................... 3 Chapter 1: Structure and properties of azobenzene polymers ............................................ 5 1.1 Introduction ......................................................................................................................... 6 1.2 Light induced motion in azopolymer ................................................................................... 5 1.3 Geometric isomers of azobenzene........................................................................................ 6 1.4 Structure and properties of pDR1M and pMEA .................................................................. 8 1.