Sökning: "lanthanides"
Visar resultat 6 - 10 av 34 avhandlingar innehållade ordet lanthanides.
6. Coordination Chemistry of Actinide and Lanthanide Ions
Sammanfattning : .... LÄS MER
7. Radiolytic Degradation of BTBP type Molecules for Treatment of Used Nuclear Fuel by Solvent Extraction
Sammanfattning : Nuclear fuel that has been discharged from nuclear reactors is highly radiotoxic and must be kept isolated from the biosphere for very long time periods. This requires an advanced final repository. One way to decrease the long-term radiotoxicity and thermal load of the used fuel is Partitioning and Transmutation (P&T). LÄS MER
8. The effect of radiolysis of BTBP type molecules on distribution ratios
Sammanfattning : Partitioning and transmutation of spent nuclear fuel enables a decrease in the long term radiotoxicity and volume of the waste to be disposed. By transforming the long-lived nuclides into shorter-lived or even stable ones, the time required for a final repository to be regarded safe for the environment can decrease from 100,000 years to less than 1,000 years. LÄS MER
9. Lanthanide-mediated C-F Bond Activation Method Development and Mechanistic Investigation
Sammanfattning : The use of transition-metals and main-group Lewis acids has proven to be an outstanding source for activation and subsequent functionalization of fluorinated compounds. However, the first is mainly limited to C(sp2)–F bonds which partially are activated by an adjacent heteroatom, and the latter is limited to simple C(sp3)–F bonds due to particularly strong Lewis acid character. LÄS MER
10. Theoretical methods for the electronic structure and magnetism of strongly correlated materials
Sammanfattning : In this work we study the interesting physics of the rare earths, and the microscopic state after ultrafast magnetization dynamics in iron. Moreover, this work covers the development, examination and application of several methods used in solid state physics. The first and the last part are related to strongly correlated electrons. LÄS MER