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Plasma-Material Interaction Data Set 303
Diffusivity of H in C
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: C
- Method: Experiment
- Data scaled for isotope mass? No
- D0 = 9.5e-05 m2 s-1
- Ed = 2.79 eV
- T = 1073 – 1473 K
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- B137: R.A. Causey, R. Karnesky, C.S. Marchi, "Tritium Barriers and Tritium Diffusion in Fusion Reactors", Comprehensive Nuclear Materials, 511-549 (2012). [10.1016/B978-0-08-056033-5.00116-6]
Comment
Data provided by Masashi Shimada (Idaho National Laboratories, USA, 2024).