Excess enthalpies of liquid Bi-Ge-Te alloys

Autor(en): Blachnik, R
Romermann, F
Schlieper, A
Stichwörter: Biochemistry & Molecular Biology; BISMUTH; calorimetry; Chemistry; Chemistry, Physical; COMPOUNDS GE3BI2TE6; excess enthalpies; GEBI2TE4; liquid alloys; SN; STATE; SYSTEM; thermodynamics
Erscheinungsdatum: 1997
Herausgeber: EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Journal: JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE
Volumen: 94
Ausgabe: 3
Startseite: 584
Seitenende: 597
Zusammenfassung: 
The excess enthalpies of liquid alloys in the ternary system Bi-Ge-Te were determined al 1193 K in a heat now calorimeter ibr five sections BiyGe1-y-Te with y=0.2, 0.4. 0.5, 0.6 and 0.8. The enthalpy surface in the ternary system is characterized by a valley stretching fi-om the exothermic minimum in the system Ge-Te to the exothermic mimimum in the system Bi-Te. The analytical description of the excess enthalpies in the limiting binaries was made with the Redlich-Kister formalism. For the description of the thermodynamic functions in the ternary system the equation of Bonnier was taken using additional ternary coefficients. The calculated curves obtained from the optimization are in good agreement with the experimental data.
ISSN: 00217689
DOI: 10.1051/jcp/1997940584

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