Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5452867 | Calphad | 2017 | 10 Pages |
Abstract
After a critical review of the literature data on the standard enthalpy of formation of ZnSb, discrepancies between various experimental studies are highlighted. Moreover, experimental values disagree with values calculated by ab initio methods. As many of the experimental methods used suffer from some serious drawbacks, a new determination of the standard enthalpy of formation of ZnSb by an alternative calorimetric method, drop solution calorimetry in liquid tin, has been performed. Two different synthesis methods have been used to obtain a pure ZnSb phase and drop solution experiments were performed at 665 and at 974 K. The standard enthalpy of formation values derived from these experiments are â 6.1±2.5 kJ mol of atomsâ1 for the ZnSb sample prepared by ball milling and â 7.9±0.4 kJ mol of atomsâ1 for the ZnSb sample prepared by melting. These results are discussed and compared to literature data.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
P. Benigni, A. Berche, R. Pothin, A. Adenot, G. Mikaelian, R.M. Ayral, P. Jund, J. Rogez,