Interaction of the components in the systems Ce–Ag–Si at 500 °C and Eu–Ag–Si at 400 °C

Isothermal sections of the phase diagrams of the systems Ce–Ag–Si and Eu–Ag–Si were built at 500 and 400 °C, respectively. Three intermetallic compounds were found in the former system, two in the latter and their crystal structures and homogeneity regions were determined. The effective valence of e...

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Bibliographic Details
Published in:Journal of alloys and compounds 2005-06, Vol.396 (1), p.212-216
Main Authors: Belan, B., Bodak, O., Gladyshevskii, R., Soroka, I., Kuzhel, B., Protsyk, O., Stets, I.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Magnetic properties and materials
Materials science
Phase diagram
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physical properties
Physics
Rare-earth compounds
Silver-based systems
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Summary:Isothermal sections of the phase diagrams of the systems Ce–Ag–Si and Eu–Ag–Si were built at 500 and 400 °C, respectively. Three intermetallic compounds were found in the former system, two in the latter and their crystal structures and homogeneity regions were determined. The effective valence of europium in the CeAl 2Ga 2-type phase EuAg 2Si 2 was found to be 2+ over the whole homogeneity range, based on L III-absorption spectroscopy. The temperature dependence of the electrical resistivity, thermoelectric power and magnetic susceptibility of this phase was also studied.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2004.12.035