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Träfflista för sökning "WFRF:(Weller R.) srt2:(2005-2009)"

Sökning: WFRF:(Weller R.) > (2005-2009)

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1.
  • Feldman, G., et al. (författare)
  • Compton scattering from deuterium and the polarizabilities of the neutron
  • 2008
  • Ingår i: Few-Body Systems. - : Springer Science and Business Media LLC. - 0177-7963 .- 1432-5411. ; 44:1-4, s. 325-328
  • Konferensbidrag (refereegranskat)abstract
    • A new program of Compton scattering on deuterium is under way at the tagged-photon facility at MAX-Lab in Lund, Sweden. We will measure differential cross sections between 60A degrees and 150A degrees over the photon energy range 60-115 MeV in 5 MeV steps, with the ultimate goal of obtaining new precision information on the electric and magnetic polarizabilities of the neutron.
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2.
  • Galati, R., et al. (författare)
  • The structure of superconducting RbOs2O6 between 2 K and 300 K
  • 2007
  • Ingår i: Journal of Materials Chemistry. - : Royal Society of Chemistry (RSC). ; 17:2, s. 160-163
  • Tidskriftsartikel (refereegranskat)abstract
    • The structure of RbOs2O6 can be described fully in the Fd (3) over barm space group between 2 and 298 K and large thermal displacement factors associated with the Rb ion are probably typical of this structure type and the site occupied.
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3.
  • Galati, R., et al. (författare)
  • Hydration, Structure, and Superconductivity of KOs2O6·nH2O
  • 2008
  • Ingår i: Chemistry of Materials. - : American Chemical Society (ACS). - 0897-4756 .- 1520-5002. ; 20:4, s. 1652-1659
  • Tidskriftsartikel (refereegranskat)abstract
    • In moist air or by contact with water during washing, KOs2O6 absorbs water molecules into the structure to produce KOs2O6·nH2O, 0 < n < 0.1. This water is reversibly lost on heating above ∼430 K in flowing or static gas environments. Variable temperature powder neutron and X-ray diffraction show that an increase in lattice parameter occurs when water enters the pyrochlore structure and the water molecules are located in the α cages displacing a portion of the potassium ions to adjacent sites. On removing water the lattice parameter and structure revert to those of the normal β-pyrochlore crystallographic description. Hydration has the effect of reducing the onset of superconducting behavior from a critical temperature of 10.25 K in fully dry KOs2O6 to 9.75 K in KOs2O6·0.1H2O.
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  • Resultat 1-3 av 3

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