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40èmes Journées des Actinides & 2nd Workshop on Actinide Targets

27 March 2010 to 1 April 2010
CERN
Europe/Zurich timezone
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Session

Theory and Spectroscopy I

28 Mar 2010, 10:45
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
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  1. 21. Resonant inelastic X-ray scattering probe of inter- and intra-atomic interactions in uranium systems
    Dr Kristina Kvashnina (ESRF)
    28/03/2010, 11:45
    Theory, electronic structure
    oral
    A central issue in the investigation of various properties of actinide systems is the nature of the 5f electrons in different systems. Many of the unusual properties found specifically in uranium (U) compounds are thought to be related to the delocalization of the partially filled U 5f electron states and their hybridization with the U 6d-7s states. However, due to the complexity of the...
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  2. 16. Electronic structure and ionicity of actinide oxides from first principles
    Dr Leon Petit (Daresbury Laboratory)
    28/03/2010, 12:05
    oral
    The ground-state electronic structures of the actinide oxides AO, A2O3, and AO2
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  3. 23. First-principles study of uranium dioxide and oxygen self-diffusion in uranium dioxide
    Mr BORIS DORADO (CEA CADARACHE)
    28/03/2010, 12:25
    Uranium dioxide UO2 is the standard nuclear fuel used in current pressurized water reactors. The description of this oxide by first-principles calculations remains challenging because of the peculiar properties of the uranium 5f electrons which do not allow the standard LDA or GGA functionals to accurately reproduce its electronic properties. In this study, we use the DFT+U approximation to...
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  4. 56. X-ray absorption and emission spectroscopic study at O K-edges of light actinide oxides
    s m butorin
    28/03/2010, 12:45
    Theory, electronic structure
    oral
    X-ray absorption and emission spectroscopic study at O K-edges of light actinide oxides S. M. Butorin,1 A. Modin1, Y. Yun1, M.-T. Suzuki1, J. Vegelius1, L. Werme1, D. K. Shuh2, P. M. Oppeneer1, J. Nordgren1, 1 Depatment of Physics and Astronomy, Uppsala University, Box 516, S-751 20 Uppsala, Sweden, e-mail: sergei.butorin@fysik.uu.se 2 Lawrence Berkeley National Laboratory, Chemical...
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