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Plasma-Material Interaction Data Set 341

Permeation of H in W

$$ P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right) $$

[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]

• Material: W
• Method: Experiment
• Data scaled for isotope mass? No

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1. B61: R. Frauenfelder, "Permeation of Hydrogen through Tungsten and Molybdenum ", The Journal of Chemical Physics 48, 3955-3965 (1968). [10.1063/1.1669720]
2. B70: K. Heinola, T. Ahlgren, "Diffusion of hydrogen in bcc tungsten studied with first principle calculations ", Journal of Applied Physics 107 (2010). [10.1063/1.3386515]