Investigation of electronic and magnetic structure of advanced magnetic materials [Elektronische Ressource] / by Vasile Rednic

Investigation of electronic and magnetic structure of advanced magnetic materials A thesis presented to Fachbereich Physik Faculty of Physics Universität Osnabrück Babes-Bolyai University by Vasile REDNIC Scientific supervisors: Prof. Dr. Manfred NEUMANN Prof. Dr. Marin COLDEA Osnabrück January 2010 Contents Introduction .......................................................................................................................................1 1. Theoretical Considerations ....................................................................................................................... 3 1.1 General issues of magnetism ............................................................................................................... 3 1.1.1 The origin of atomic moments ........................................................................................................... 3 1.1.2 Classes of magnetic materials ............................................................................................................ 6 1.2 Magnetic properties of metallic systems ......................................................................... 9 1.2.1 Localized moments in solids .............................................................................................................. 9 1.2.2 Itinerant-electron magnetism .........................