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Plasma-Material Interaction Data Set 90

Diffusivity of T in W

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

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

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

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1. B67: T. Ikeda, T. Otsuka, T. Tanabe, "Hydrogen permeation in metals near room temperature by a tritium tracer technique ", Journal of Nuclear Materials 417, 568-571 (2011). [10.1016/j.jnucmat.2010.12.116]