Search for dissertations about: "Natural rare-earth"

Showing result 21 - 25 of 110 swedish dissertations containing the words Natural rare-earth.

  2. 21. Bulk properties of the rare earth and related metals

    Author : Anders Rosengren; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE

  4. 22. Structure-Magnetism Relations in Selected Iron-based Alloys : A New Base for Rare Earth Free Magnetic Materials

    Author : Johan Cedervall; Martin Sahlberg; Gunnar Svensson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Materials for energy applications are of great importance for a sustainable future society. Among these, stronger, lighter and more efficient magnetic materials will be able to aid mankind in many applications for energy conversion, for example generators for energy production, electric vehicles and magnetic refrigerators. READ MORE

  5. 23. Nuclear spin interactions and coherent control in rare-earth-ion-doped crystals for quantum computing

    Author : Hafsa Syed; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; rare-earth-ion-doped crystals; nuclear spins; magnetic dipole-dipole interactions; flip-flop interactions; quantum computing; high-fidelity;

    Abstract : This thesis work concerns studies of two rare-earth-ions, praseodymium (Pr3+) and europium (Eu3+), doped into a yttrium orthosilicate (Y2SiO5) crystal for applications in quantum computing. The nuclear spin levels of these ions can have very long coherence times, up to several hours. READ MORE

  6. 24. Structure-Property-Composition Correlations in Rare-Earth Alumino-silicate Glasses

    Author : ANM Shahriar Iftekhar; Mattias Edén; Jekabs Grins; Bo Jonson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; fysikalisk kemi; Physical Chemistry;

    Abstract : Rare earth (RE) alumino-silicate (AS) glasses exhibit favorable physical, mechanical and optical properties, such as high values of the glass transition temperature, Vickers hardness, and refractive index. RE2O3-Al2O3-SiO2 glasses have found several industrial applications, for example as components of optical amplifiers and lasers. READ MORE

  7. 25. Magnetic Materials for Cool Applications : Relations between Structure and Magnetism in Rare Earth Free Alloys

    Author : Johan Cedervall; Martin Sahlberg; Paul Henry; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Magnetism; Diffraction; X-ray scattering; Neutron Scattering; Permanent magnets; Magnetocalorics; Chemistry with specialization in Inorganic Chemistry; Kemi med inriktning mot oorganisk kemi;

    Abstract : New and more efficient magnetic materials for energy applications are a big necessity for sustainable future. Whether the application is energy conversion or refrigeration, materials based on sustainable elements should be used, which discards all rare earth elements. READ MORE