Thermodynamics of liquid Al-In, Ag-In and In-Sb alloys from a four-atom cluster model
Identifieur interne : 00C921 ( Main/Repository ); précédent : 00C920; suivant : 00C922Thermodynamics of liquid Al-In, Ag-In and In-Sb alloys from a four-atom cluster model
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Abstract
A model based on a cluster of four atoms has been used to obtain higher-order conditional probabilities that describe the atomic correlations in Al-In, Ag-In and In-Sb liquid alloys. Using the value of the ordering energy obtained from the model, some thermodynamic quantities such as Gibbs energy of mixing and concentration-concentration fluctuations in the long wavelength limit were calculated for these alloys. Our study of the energetics of these liquid alloys reveals that while In-Sb and Ag-In are both chemically ordered or heterocoordinated systems, Al-In is a segregating system. Furthermore, the degree of order in liquid In-Sb alloys is higher than that in liquid Ag-In alloys.
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<front><div type="abstract" xml:lang="en">A model based on a cluster of four atoms has been used to obtain higher-order conditional probabilities that describe the atomic correlations in Al-In, Ag-In and In-Sb liquid alloys. Using the value of the ordering energy obtained from the model, some thermodynamic quantities such as Gibbs energy of mixing and concentration-concentration fluctuations in the long wavelength limit were calculated for these alloys. Our study of the energetics of these liquid alloys reveals that while In-Sb and Ag-In are both chemically ordered or heterocoordinated systems, Al-In is a segregating system. Furthermore, the degree of order in liquid In-Sb alloys is higher than that in liquid Ag-In alloys.</div>
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