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Plasma-Material Interaction Data Set 337
Solubility of H in Ta
$$
K_\mathrm{s} = K_\mathrm{s0}\exp \left(-\frac{E_\mathrm{s}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Ta
- Method: Experiment
- Data scaled for isotope mass? No
- Ks0 = 0.132 mol m-3 Pa-1/2
- Es = -0.34 eV
- T = 623 – 904 K
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- B122: E. Veleckis, R. Keith Edwards, "Thermodynamic properties in the systems vanadium-hydrogen, niobium-hydrogen, and tantalum-hydrogen", The Journal of Physical Chemistry 73, 683-692 (1969). [10.1021/j100723a033]
Comment
Data provided by Masashi Shimada (Idaho National Laboratories, USA, 2024).