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Plasma-Surface Interaction Data Set 129

Sputtering of He+ on Be(pc) at 300 K

  1. B143: W. Eckstein, J. A. Stephens, R. E. H. Clark, G. W. Davis, A. A. Haasz, E. Vietzke, Y. Hirooka, "Particle induced erosion of Be, C and W in fusion plasmas. Part B: Physical sputtering and radiation-enhanced sublimation", Atomic and Plasma-Material Interaction Data for Fusion 7B (2001). [https://www.iaea.org/publications/4709/atomic-and-plasma-material-interaction-data-for-fusion]

Sputtering of He+ on Be(pc) at 300 K

E = 3000.0 eV angle /deg P
0.00.077
10.00.08
20.00.089
30.00.11
40.00.14
50.00.2
60.00.34
70.00.65
80.01.4
89.08.8e-06

Fit Function: SPTAEX

\[Y(E_0, \alpha) = Y(E_0, 0)\left\{\cos\left[\left( \frac{\alpha}{\alpha_0}\frac{\pi}{2} \right)^c\right]\right\}^{-f} \exp\left\{b\left(1-\frac{1}{\cos\left[\left( \frac{\alpha}{\alpha_0}\frac{\pi}{2} \right)^c\right]}\right)\right\}\]
Coefficients
Fit range

angle = 0.0 – 89.0