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Plasma-Material Interaction Data Set 29
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 \(\mathrm{eV\,K^{-1}}\).]
- Material: Be
- Method: Experiment
- Data scaled for isotope mass? Yes
- D0 = 5.77e-07 m2 s-1
- Ed = 0.3 eV
- T = 1000 – 1200 K
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- B30: R. Boivin, B. Terreault, "Laser desorption study of beryllium's hydrogen recycling properties at high temperature
", Journal of Nuclear Materials 187, 117-121 (1992). [10.1016/0022-3115(92)90542-s]
Comment
Scaled from H measurements for T by 1/sqrt(3).