Search for dissertations about: "neutron Fe"

Showing result 1 - 5 of 41 swedish dissertations containing the words neutron Fe.

  2. 1. Phase Separation in Stainless Steels Studied by Small-angle Neutron Scattering

    Author : Xin Xu; Peter Hedström; Joakim Odqvist; John Ågren; Cristelle Pareige; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fe-Cr alloys; stainless steels; spinodal decomposition; phase separation; small-angle neutron scattering; mechanical properties; Teknisk materialvetenskap; Materials Science and Engineering;

    Abstract : Fe-Cr based steels, i.e. stainless steels, possessing a combination of excellent corrosion resistance and good mechanical properties, have indispensable applications ranging from low-end cooking utensils, to sophisticated components for nuclear power plants. READ MORE

  4. 2. Structure-Magnetic Relationships in the Fe-Mn-P-Si System for Energy Applications

    Author : Viktor Höglin; Yvonne Andersson; Per Nordblad; Martin Sahlberg; Mogens Christensen; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Magnetocaloric; X-ray powder diffraction; Neutron powder diffraction; Magnetization measurements; Phase diagram; Crystal structure; Magnetic structure; Incommensurate structure; Ferromagnetic; Antiferromagnetic; Fe2P; Fe-Mn-P-Si.; Kemi med inriktning mot oorganisk kemi; Chemistry with specialization in Inorganic Chemistry;

    Abstract : Demands for new, energy-efficient appliances have greatly increased in response to our growing need for a more environmentally friendly society. Magnetic refrigeration is a technique that utilizes the magnetocaloric effect, with possible energy savings of up to 30% compared to commercial gas compression refrigerators. READ MORE

  5. 3. A Structural Viewpoint of Magnetism in Fe and Co Based Superlattices

    Author : Matts Björck; Gabriella Andersson; Adrian Rennie; Thomas Hase; Uppsala universitet; []
    Keywords : Physics; Magnetism; Multilayer; Superlattice; X-ray magnetic circular dichroism; X-ray diffraction; X-ray reflectivity; Neutron diffraction; Structural refinement; Interfaces; Fysik;

    Abstract : In order to understand the properties of thin film devices, knowledge of the material's structure is essential. The work presented here combines magnetic and structural characterization of the systems studied to gain a deeper physical understanding. READ MORE

  6. 4. Local structure in disordered materials studied by neutron scattering and RMC modelling

    Author : Liselotte Karlsson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Nuclear physics; Local structure; neutron scattering; RMC modelling; metallic glasses; high Tc; superconductors; fast ion conductors; Kärnfysik; Nuclear physics; Kärnfysik; Physics Of Matter; materiefysik;

    Abstract : Different disordered materials are becoming more and more important in various technological applications. There is a need to improve our detailed understanding of the local structure of such materials and how the atomic structure is related to macroscopic physical properties. READ MORE

  7. 5. Magnetic Properties of Epitaxial Metal/Oxide Heterostructures

    Author : Tobias Warnatz; Björgvin Hjörvarsson; Fridrik Magnus; Vassilios Kapaklis; Stuart S.P. Parkin; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fe MgO; interlayer exchange coupling; anisotropy; IEC; superlattice; multilayer; polarized neutron reflectometry; PNR; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Abstract : The work in this dissertation is devoted to tailoring and studying magnetic properties of epitaxial metal/oxide heterostructures. The aim is to understand the fundamental principles governing these properties and how they affect each other. The acquired knowledge can prove useful for the development of future spintronic devices. READ MORE