Articles | Volume 12, issue 11
https://doi.org/10.5194/nhess-12-3275-2012
© Author(s) 2012. This work is distributed under the Creative Commons Attribution 3.0 License.
Research article
| 
09 Nov 2012
Research article |
| 09 Nov 2012
Additional studies on heterodiffusion coefficients in periclase
Abstract. By using a thermodynamical model, the activation entropy is extracted from the experimental diffusion data of Al in MgO. Furthermore, we estimate the activation volume. We find a value for the activation entropy of (4.21 ± 0.05) k. As for the activation volume, we calculate the value (3.65 ± 0.16) cm3 mol −1 which is comparable with the experimental values when errors are considered.
