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Plasma-Material Interaction Data Set 282
Solubility of D in Be
$$
K_\mathrm{s} = K_\mathrm{s0}\exp \left(-\frac{E_\mathrm{s}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Be
- Material composition: 99.8 wt%
- Method: Experiment
- Data scaled for isotope mass? No
- Ks0 = 5800.0 mol m-3 Pa-1/2
- Es = 1 eV
- T = 298 – 1073 K
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- B50: R. Macaulay-Newcombe, D. Thompson, "The effects of surface contamination on absorption and desorption of deuterium in beryllium and beryllium oxide
", Journal of Nuclear Materials 212-215, 942-947 (1994). [10.1016/0022-3115(94)90974-1]
Comment
TDS measurements followed by TMAP modelling with different values for D and S until spectrum matched approximately. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.