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Plasma-Material Interaction Data Set 31

Diffusivity of T in Be

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

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

Comment

Data reported in Abramov et al. form Pemsler and Rapperport scaled for T.

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  1. B11: E. Abramov, M. Riehm, D. Thompson, W. Smeltzer, "Deuterium permeation and diffusion in high-purity beryllium ", Journal of Nuclear Materials 175, 90-95 (1990). [10.1016/0022-3115(90)90274-q]
  2. B33: J. P. Pemsler, E. J. Rapperport, "Hydrogen in Proton-Bombarded Beryllium: Agglomeration and Diffusion", Transactions of the Metallurgical Society AlME 230, 90-94 (1964).