Structure of liquid caesium-lead alloys

Neutron diffraction measurements have been made on liquid CsPb alloys at the Intense Pulsed Neutron Source. Equiatomic CsPb has been shown in previous work to be a Zintl alloy with well-defined Cs 4Pb 4 structural units, explaining the anomalously high electrical resistivity and specific heat obser...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1993-08, Vol.156, p.34-37
Main Authors: Price, D.L., Saboungi, Marie-Louise, de Wijs, G.A., van der Lugt, W.
Format: Article
Language:English
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Summary:Neutron diffraction measurements have been made on liquid CsPb alloys at the Intense Pulsed Neutron Source. Equiatomic CsPb has been shown in previous work to be a Zintl alloy with well-defined Cs 4Pb 4 structural units, explaining the anomalously high electrical resistivity and specific heat observed in the molten state. These studies have been extended to the Cs 80Pb 20 and Cs 25Pb 75 compositions and also repeated with the equiatomic composition as a reference. The structure of liquid Cs 25Pb 75 resembles that of solid KPb 2. Liquid Cs 80Pb 20 exhibits large composition fluctuations.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(93)90124-G