Impact ionization dust detection with compact, hollow and fluffy dust analogs

The authors are grateful for 6 months of funding received from the Physics Department at the ETH Zürich for S. Hunziker. V.J. Sterken (VJS) received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement N°851544. This work has been carried out within the framework of the NCCR PlanetS supported by the Swiss National Science Foundation under grants 51NF40_182901 and 51NF40_205606.