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Plasma-Material Interaction Data Set 39
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 \(\mathrm{eV\,K^{-1}}\).]
- Material: Cu
- Method: Theory
- Data scaled for isotope mass? Yes
- D0 = 6.12(29)e-7 m2 s-1
- Ed = 0.09520(62) eV
- T = 500 – 1000 K
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- B40: J. Guthrie, L. Beavis, D. Begeal, W. Perkins, "Properties of hydride-forming metals and of multilayer hydrogen permeation barriers
", Journal of Nuclear Materials 53, 313-322 (1974). [10.1016/0022-3115(74)90263-3]
Comment
Diffusion coefficient scaled from H to T by 1/sqrt(3).