Fakultät für NW


Professur Ionenphysik (1994 - 2009)




Prof. Dr. Dieter Gerlich
Former coworkers


Nijmegen ISORI
Prague AB-22PT
New: MPE Garching

On 01. Feb. 1994 Prof. D. Gerlich took over the group Gasentladungs- and Ionenphysik. In addition to traditional studies of discharges (e.g. polymerization, etching) various fundamental laboratory studies have been started. The aim was to understand in detail all kind of plasmas, ranging from technical applications to astrochemistry. Developing innovative ion guides and low and high temperature ion traps and combining them with lasers, molecular beams, sophisticated detectors etc., many unique experimental studies became possible.

Since his retirement (30.09.2009), Prof. D. Gerlich has been actively engaged in several laboratories in Prague, Basel, Köln and other universities. Using techniques and instruments developed in his laboratory, and pushing them to the limits, many outstanding results have been obtained. For past and present activities see Publications and Invited talks.


Recent Publications

Formation of H3+ in collisions of H2+ with H2 studied in a Guided Ion Beam Instrument

Igor Savić, Stephan Schlemmer, Dieter Gerlich

ChemPhysChem (2020): http://dx.doi.org/10.1002/cphc.202000258




Invited talks

Selected conferences


Research activities

TIPICQA Trapped Ions: Progress in Classical and Quantum Applications

The Chemical Cosmos

FGLA Laboratory astrophysics

IR spectroscopy of cold trapped molecular ions using He-tagging

D. Gerlich

J. Chin. Chem. Soc. 65 (2018) 637-653


This review summarizes experimental activities to study the structure of molecular ions via He-tagging. The method is based on the attachment of a weakly bond helium atom to a cold ion followed by laser induced predissociation (LIP).





The cover shows a cryogenic 22-pole trap

Tagging fullerene ions with helium in a cryogenic quadrupole trap

D. Gerlich, J. Jašík, and Jana Roithová

International Journal of Mass Spectrometry 438 (2019) 7886

Helium tagging of charged C60q+ ions (q=1 - 3) has been used for measuring electronic and infrared gas phase spectra, allowing astronomers to improve the identification of fullerenes in space.



Scattering of He atoms on the cold (rigid) C60q+ trapped in a w4PT

Dieter Gerlich 12.05.2020