Particles
The following table shows the particles that can be accelerated at the Heidelberg dust accelerator. The materials marked with an asterisk (*) are only tested on a testbench with only 20 kV of acceleration voltage; the speeds are extrapolated.
| Material | Density [kg/m³] |
Grain size [µm] |
Speed [km/s] |
|---|---|---|---|
| Iron | 7900 | 0.02 - 2.50 | 1.5 - 80.0 |
| Aluminium (Al) | 2700 | 0.05 - 2.50 | 1.5 - 50.0 |
| Carbon (C) | 2200 | 0.20 - 1.00 | 1.5 - 25.0 |
| Latex | 1100 | 0.75 ±0.04 | 4.0 - 21.0 |
| Latex | 1100 | 1.58 ±0.13 | 1.5 - 8.0 |
| * Latex | 1100 | 2.22 ±0.22 | 1.5 - 4.0 |
| * Copper (Cu) | 8900 | 0.40 - 1.60 | 2.0 - 6.0 |
| * Silver (Ag) | 10500 | 0.60 - 2.50 | 1.5 - 8.0 |
Iron particles (0.2 to 2.5 µm) as used for acceleration.
Speed-grainsize-distribution of 20.000 iron particles (sample above
mixed with 0.02 µm particles). Due to their higher charge/mass-ratio,
the highest speeds are only achieved by the smallest particles.
Max-Plank Institut für Kernphysik
Impressum
Webmasters: The Dust Group.
Back to the main page
Last Modified on 28 October 2008.