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Plasma-Material Interaction Data Set 159
Permeation of D in Al2O3-Er2O3
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Al2O3-Er2O3
- Alloy: AE-600
- Method: Experiment
- Data scaled for isotope mass? No
- Ep = 0.580432302 eV
- T = 473 – 873 K
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- B102: J. Wang, Q. Li, Q. Xiang, T. Tang, Y. Rao, J. Cao, "Study of Al2O3–Er2O3 composite coatings as hydrogen isotopes permeation barriers
", International Journal of Hydrogen Energy 41, 1326-1332 (2016). [10.1016/j.ijhydene.2015.11.042]
Comment
Samples were annealed in Ar at different temperatures, leading to the differences in values. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.