H. Koivisto

Invited Article: Electric solar wind sail: Toward test missions

P. Janhunen, Petri Toivanen, Jouni Polkko et al. · Review of Scientific Instruments · 2010 · 151 citations

Wind-assisted Propulsion, Electrical Engineering, Engineering +14

Metal ion beams from an ECR ion source using volatile compounds

H. Koivisto, J. Ärje, M. Nurmia · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 1994 · 78 citations

Electrical Engineering, Ion Implantation, Engineering +7

Beam current oscillations driven by cyclotron instabilities in a minimum-<i>B</i>electron cyclotron resonance ion source plasma

O. Tarvainen, I. V. Izotov, D. A. Mansfeld et al. · Plasma Sources Science and Technology · 2014 · 76 citations

Beam Current Oscillations, Electrical Engineering, Experimental Observation +15

The first results with the new JYFL 14 GHz ECR ion source

H. Koivisto, P. Heikkinen, Väinö Hänninen et al. · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 2001 · 71 citations

Electrical Engineering, New Jyfl 14, Radio Frequency +3

Investigations into the alpha-decay of 195At

H. Kettunen, T. Enqvist, M. Leino et al. · The European Physical Journal A · 2003 · 61 citations

Double Beta Decay, Nuclear Decay, High-energy Nuclear Reaction +1