Growth mechanism and structure of epitaxial perovskite thin films and superlattices [Elektronische Ressource] / von Alina Mihaela Visinoiu

Growth mechanism and structureof epitaxial perovskitethin films and superlatticesDissertationzur Erlangung des akademischen GradesDoctor rerum naturalium (Dr. rer. nat.)vorgelegt derMathematisch-Naturwissenschaftlich-Technischen Fakultät(mathematisch-naturwissenschaftlicher Bereich)der Martin-Luther-Universität Halle-Wittenbergvon Frau Alina Mihaela Visinoiugeb.: 27.06.1974 in: PitestiGutachter:1. Prof. Dr. H. Neddermeyer2. Prof. Dr. U. Gösele3. Prof. Dr. H.-U. KrebsHalle (Saale), am 10 Februar 2003.urn:nbn:de:gbv:3-000004646[ http://nbn-resolving.de/urn/resolver.pl?urn=nbn%3Ade%3Agbv%3A3-000004646 ]Contents1 Introduction 12 Ferroelectric oxide thin films - structure, growth, downscaling 33 Experimental and characterization methods 193.1 Pulsed laser deposition . . . . . ............................ 193.2 X-ray diffraction . ................... 323.3 Atomic force microscopy . . . . ............................ 383.4 Transmission electron microscopy . . . . . . ..................... 393.5 Electrical measurements . . . . ................ 404 Results and discussion 424.1 Vicinal SrTiO substrate surfaces............................ 4234.1.1 General remarks . . . ............. 424.1.2 Preparation of vicinal SrTiO substrate surfaces . . . . . . .......... 4334.2 Epitaxial BaTiO thin films . . . ............................ 4934.2.1 Initial growth stages of BaTiO thin films on SrTiO surfaces . . . . . . . . 493 34.2.