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SKM 2023 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 47: 2D Materials II: Growth, Structure and Substrate Interaction I

O 47.3: Vortrag

Mittwoch, 29. März 2023, 11:00–11:15, GER 37

Structural and chemical characterization of epitaxially grown FeBr2 on Au(111) — •S. E. Hadjadj1, C. Gonzalez-Orellana2, J. Lawrence3, D. Bikaljevic4,5, M. Pena-Diaz2, P. Gargiani6, L. Aballe6, J. Naumann7, M. A. Nino6, M. Foerster6, S. Ruiz-Gomez8, S. Thakur1, I. Kumberg1, J. Taylor9, J. Hayes1, J. Torres1, C. Luo9, F. Radu9, D. G. de Oteyza3, W. Kuch1, J. I. Pascual4, C. Rogero2,3, and M. Ilyn21Freie Universität Berlin, Institut für Experimentalphysik, Germany — 2Centro de Fisica de Materiales, Donostia, Spain — 3Donostia International Physics Center, Spain — 4CIC nanoGUNE-BRTA, Donostia, Spain — 5Institute of Physical Chemistry, University of Innsbruck, Austria — 6ALBA Synchrotron Light Source, Spain — 7Freie Universität Berlin, Dahlem Center for Complex Quantum Systems, Germany — 8Max Planck Institute for Chemical Physics of Solids, Dresden, Germany — 9Helmholtz-Zentrum Berlin, Germany

We present structural, chemical and magnetic properties of the van–der–Waals material FeBr2 on Au(111) with thicknesses from submonolayer to multilayer. We observe that the first layer on Au(111) shows a dominant superstructure. The chemical characterization by XPS and XAS shows that the material is growing in the same composition for different thicknesses. The magnetic characterization by XMCD reveals that the magnetic moment increases with increasing thickness.

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