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Plasma-Material Interaction Data Set 40

Diffusivity of T in Cu

$$ D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right) $$

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

Comment

Values derived experimentally for H and scaled for T by 1/sqrt(3).

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  1. B39: R. Anderl, D. Holland, G. Longhurst, "Hydrogen transport behavior of metal coatings for plasma-facing components ", Journal of Nuclear Materials 176-177, 683-689 (1990). [10.1016/0022-3115(90)90127-9]