Open Access
Table A.1
Sticking coefficient values. Given for physisorption, chemisorption, and estimated chemisorption (asymptotic value) processes for H, Hշ, C, O, and CO colliding with amorphous carbon.
| Temperature (K) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Collider | Process | 50 | 100 | 150 | 250 | 500 | 750 | 1000 | 1250 | 1500 | 1750 | 2000 | 2250 |
| H | Physis. | 0.039 | 0.001 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| ±0.007 | ±0.001 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ||
| Chemis. | 0.704 | 0.559 | 0.509 | 0.420 | 0.362 | 0.422 | 0.409 | 0.384 | 0.381 | 0.426 | 0.431 | 0.500 | |
| ±0.012 | ±0.015 | ±0.019 | ±0.013 | ±0.014 | ±0.017 | ±0.019 | ±0.024 | ±0.028 | ±0.026 | ±0.018 | ±0.021 | ||
| Est. Chemis. | 0.742 | 0.561 | 0.509 | 0.420 | 0.362 | 0.422 | 0.409 | 0.384 | 0.381 | 0.426 | 0.431 | 0.500 | |
| ±0.019 | ±0.016 | ±0.019 | ±0.013 | ±0.014 | ±0.017 | ±0.019 | ±0.024 | ±0.028 | ±0.026 | ±0.018 | ±0.021 | ||
| H2 | Physis. | 0.846 | 0.518 | 0.150 | 0.000 | 0.000 | 0.000 | 0.000 | |||||
| ±0.013 | ±0.014 | ±0.023 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | |||||||
| Chemis. | 0.000 | 0.000 | 0.003 | 0.000 | 0.004 | 0.001 | 0.000 | ||||||
| ±0.000 | ±0.000 | ±0.002 | ±0.000 | ±0.002 | ±0.001 | ±0.000 | |||||||
| C | Physis. | 0.489 | 0.214 | 0.019 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| ±0.018 | ±0.018 | ±0.006 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ||
| Chemis. | 0.031 | 0.074 | 0.062 | 0.092 | 0.166 | 0.231 | 0.247 | 0.295 | 0.299 | 0.335 | 0.347 | 0.380 | |
| ±0.005 | ±0.009 | ±0.008 | ±0.010 | ±0.008 | ±0.016 | ±0.018 | ±0.016 | ±0.020 | ±0.015 | ±0.013 | ±0.018 | ||
| Est. Chemis. | 0.276 | 0.116 | 0.064 | 0.092 | 0.166 | 0.231 | 0.247 | 0.295 | 0.299 | 0.335 | 0.347 | 0.380 | |
| ±0.005 | ±0.013 | ±0.008 | ±0.010 | ±0.008 | ±0.016 | ±0.018 | ±0.016 | ±0.020 | ±0.015 | ±0.013 | ±0.018 | ||
| O | Physis. | 0.241 | 0.138 | 0.020 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| ±0.018 | ±0.012 | ±0.005 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ||
| Chemis. | 0.208 | 0.305 | 0.318 | 0.280 | 0.236 | 0.246 | 0.277 | 0.272 | 0.305 | 0.339 | 0.331 | 0.276 | |
| ±0.013 | ±0.020 | ±0.018 | ±0.020 | ±0.013 | ±0.021 | ±0.018 | ±0.015 | ±0.017 | ±0.022 | ±0.012 | ±0.011 | ||
| Est. Chemis. | 0.389 | 0.426 | 0.327 | 0.280 | 0.236 | 0.246 | 0.277 | 0.272 | 0.305 | 0.339 | 0.331 | 0.276 | |
| ±0.027 | ±0.031 | ±0.021 | ±0.020 | ±0.013 | ±0.021 | ±0.018 | ±0.015 | ±0.017 | ±0.022 | ±0.012 | ±0.011 | ||
| CO | Physis. | 0.780 | 0.658 | 0.516 | 0.214 | 0.014 | 0.001 | 0.000 | |||||
| ±0.019 | ±0.014 | ±0.021 | ±0.013 | ±0.004 | ±0.001 | ||||||||
| Chemis. | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | ||||||
| ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | ±0.000 | |||||||
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