Sökning: "Interface Atomic Structure"
Visar resultat 1 - 5 av 99 avhandlingar innehållade orden Interface Atomic Structure.
1. Formation stability and electronic structure of surfaces and interfaces from first principles
Sammanfattning : This thesis deals with two closely interwoven aspects of first-principle(density functional theory) materials modeling:(1)~prediction of atomic structure & chemical composition,and (2)~prediction of electronic properties.In the first part, we focus on atomic structure (AS) and chemical composition (CC) of surface and interface systems. LÄS MER
2. Structure of thin-film oxides: an ab initio study of TiC/Alumina
Sammanfattning : Oxides and oxide films play a major role in present-daytechnologies. Identification and analysis of their atomic andelectronic structure are important to develop new functionalmaterials. LÄS MER
3. Synchrotron Radiation Studies of Molecular Building Blocks for Functional Materials
Sammanfattning : The research on new materials is a primary driving force for progress in human society. One of the most significant research topic nowadays is the development of new functional materials for technological applications, like perovskite implemented in solar cells, and graphene as a representative for the new 2D materials family. LÄS MER
4. Order and interfaces in epitaxial heterostructures : Structure and magnetism
Sammanfattning : The work in this dissertation is devoted to investigating order and interfaces in epitaxial heterostructures. To achieve that the software tool box GenL was developed for simulating and fitting x-ray diffraction patterns from epitaxial thin films, which is used to access structural information on the length scales of interfaces and atomic bonds. LÄS MER
5. X-ray Absorption Spectroscopy on Nano-Magnet Arrays and Thin Films : Magnetism and Structure
Sammanfattning : The magnetic and structural properties of nano magnet arrays and ferromagnetic thin films are investigated. Circular x-rays are used and extensive use is made in this Thesis of the X-ray Magnetic Circular Dichroism (XMCD) technique. By means of the XMCD magneto-optic sum rules the values of the orbital and spin moments are determined. LÄS MER