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Plasma-Material Interaction Data Set 73

Permeation of H in W

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

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

• Material: W
• Material composition: > 99.95 wt %
• Method: Experiment
• Data scaled for isotope mass? No

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1. B26: R. Frauenfelder, "Solution and Diffusion of Hydrogen in Tungsten ", Journal of Vacuum Science and Technology 6, 388-397 (1969). [10.1116/1.1492699]