Regensburg 2019 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 68: Poster Wednesday: Nanostructures

O 68.6: Poster

Mittwoch, 3. April 2019, 17:45–20:00, Poster B2

Mass selected iron clusters on thin oxide films — •Kevin Foryt, Alexander Kononov, Dominik Wolter, and Heinz Hövel — Fakultät Physik/DELTA, Technische Universität Dortmund, 44227 Dortmund, Germany

Clusters are the bridge between atomic and solid-state physics, they show strong size dependent properties. In our cluster beam facility a magnetron sputter gas aggregation source produces a wide range of clusters. Mass selection is performed with a semicontinuous time-of-flight mass selector [1]. For deposition in a load-lock chamber attached directly to the mass selector a new setup of ion optics was simulated with SIMION [2] and has been put into operation. Iron clusters, e.g. Fe_1790±30, are deposited on an indium tin oxide (ITO) substrate which should be usable for magneto-optical studies. Afterwards ex situ UV/vis spectroscopy and AFM measurements are carried out.
[1] B. von Issendorff, R. E. Palmer, Review of Scientific Instruments 70, 4497 (1999). [2] Scientific Instrument Services, Inc (2003-2012), http://simion.com.