Performance of an iodine-fueled radio-frequency ion-thruster Kristof Holste, Waldemar Gärtner, Daniel Zschätzsch, Steffen Scharmann, Peter Köhler, Patrick Dietz and Peter J. Klar Eur. Phys. J. D, 72 1 (2018) 9 Published online: 16 January 2018 DOI: 10.1140/epjd/e2017-80498-5