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2000 (1)
1991 (1)
1Author    J.Nomssi Nzali, W. HoyerRequires cookie*
 Title    X-ray Investigations of Liquid Bismuth-Copper Alloys  
 Abstract    Liquid copper, bismuth, and eleven bismuth-copper alloys were investigated at temperatures above the liquidus with X-ray diffraction. The experimental procedure was adjusted to reduce the effects of evaporation. The Faber-Ziman total structure factors S(Q) feature a splitting of the first maximum and negative values for Q around 1 A -1 in a large concentration range. The results are compared to previous neutron diffraction results by Zaiss and Steeb, to square-well potential model calculations by Gopala Rao and Satpathy and to a simple segregation model. The segregation model reproduces the features qualitatively. Partial structure factors are assessed by fitting both neutron and X-ray scattering results with reverse Monte-Carlo simulation. 
  Reference    Z. Naturforsch. 55a, 381—389 (2000); received May 29 1999 
  Published    2000 
  Keywords    Bismuth, Copper, Liquid Alloys, X-ray Diffraction, Microsegregation 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0381.pdf 
 Identifier    ZNA-2000-55a-0381 
 Volume    55 
2Author    Hartmut Neumann, Walter Hoyer, Manfred WobstRequires cookie*
 Title      
 Abstract    From neutron and X-ray diffraction investigations on liquid Ge15Te85, Sn16Te84 and Pb14 5Te85 5 alloys the coordination numbers and nearest neighbour distances of these systems are obtained. The partial structure factors and partial pair correlations reveal that the short-range order of the eutectic Ge-Te melt differs from that of the eutectic Sn-Te and Pb-Te melts. 
  Reference    Z. Naturforsch. 46a, 739 (1991); received June 19 1991 
  Published    1991 
  Keywords    Neutron scattering, X-ray scattering, short-range order, liquid alloys, eutectic Ge-Te, Sn-Te and Pb-Te melts 
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 TEI-XML for    default:Reihe_A/46/ZNA-1991-46a-0739.pdf 
 Identifier    ZNA-1991-46a-0739 
 Volume    46