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SAMOP 2021 – wissenschaftliches Programm

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MS: Fachverband Massenspektrometrie

MS 6: New Developments I

MS 6.4: Vortrag

Dienstag, 21. September 2021, 15:00–15:15, H2

Conceptual design of an actinide ion mobility spectrometer — •Elisabeth Rickert1,2,3, Hartmut Backe3, Michael Block1,2,3, Christoph E. Düllmann1,2,3, Mustapha Laatiaoui1,3, Werner Lauth3, Sebastian Raeder2, and Philipp Sikora31Helmholtz-Institut Mainz, Mainz, Germany — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany — 3Johannes Gutenberg-Universität Mainz, Mainz, Germany

Chemical and physical properties of the heaviest elements are strongly influenced by relativistic effects which can result in deviations from the periodicity predicted by the periodic table of elements. Systematic mobility measurements on monoatomic lanthanide ions previously proved a dependence of ion-atom interactions on the underlying electronic configuration, providing a way to measure these deviations [Laatiaoui2012]. Mobility studies are presently being extended to the actinides which are expected to have more pronounced deviations from periodicity. In our experiment, element-selective ion production is provided by two-step photo ionization from a filament sample in an argon filled drift cage. In my talk, experimental approach, first results and future plans are presented.

[Laatiaoui2012]: Laatiaoui, M. et al., EPJD (2012) 66:232

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