Berlin 2024 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 29: Poster: 2D Materials
O 29.9: Poster
Dienstag, 19. März 2024, 12:30–14:30, Poster A
Epitaxial growth and properties of sub-monolayer to multilayer FeBr2 on Au(111) — •S. E. Hadjadj1, C. González-Orellana2, J. Lawrence3, D. Bikaljević4,5, M. Peña-Díaz2, P. Gargiani6, L. Aballe6, J. Naumann7, M. Ángel Niño6, M. Foerster6, S. Ruiz-Gómez8, S. Thakur1, I. Kumberg1, J. Taylor9,10, J. Hayes1, J. Torres1, C. Luo9,10, F. Radu9, D. G. de Oteyza3,11, W. Kuch1, J. I. Pascual4,12, C. Rogero2,3, and M. Ilyn2 — 1Freie Universität Berlin, Experimentalphysik, Germany — 2Centro de Física 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 — 9HZB, Germany — 10Physik, Technische Universität München, Germany — 11Nanomaterials and Nanotechnology Research Center (CINN), Oviedo, Spain — 12Ikerbasque, Basque Foundation for Science, Bilbao, Spain
We characterized the properties of the van-der-Waals material FeBr2 on Au(111). The investigation via STM and LEED reveals a dominant superstructure for the first layer, which changes for the second layer. The characterization by XPS and XAS shows that the chemical composition does not change for different coverages. The magnetic characterization by XMCD reveals that the magnetization at 6 T increases during the transition from first to the second monolayer.