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Plasma-Surface Interaction Data Set 128
Sputtering of He+ on Be(pc) at 300 K
- 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 = 300.0 eV |
angle /deg |
P |
|
0.0 | 0.14 |
|
10.0 | 0.16 |
|
20.0 | 0.18 |
|
30.0 | 0.22 |
|
40.0 | 0.27 |
|
50.0 | 0.34 |
|
60.0 | 0.44 |
|
70.0 | 0.56 |
|
80.0 | 0.66 |
|
89.0 | 0.54 |
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
- f = 2.8242
- b = 0.80455
- c = 0.71305
- Y0 = 0.14347
- alpha0 = 1.5708
Fit range
angle = 0.0 – 89.0