SKM 2023 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 36: Poster: 2D Materials II
O 36.5: Poster
Dienstag, 28. März 2023, 18:00–20:00, P2/EG
Magnetic properties of transition metal dihalides measured by x-ray magnetic circular dichroism (XMCD) — •Sebastien Elie Hadjadj1, Samuel Kerschbaumer2, Andrea Aguirre Banos3, Danilo Longo3, Fadi Choueikani4, Celia Rogero2, Jose Ignacio Pascual3, Wolfgang Kuch1, and Maxim Ilyn2 — 1Institut für Experimentalphysik, Freie Universität Berlin, 14195 Berlin, Germany — 2Centro de Fisica de Materiales (CSIC/UPV-EHU), 20018 Donostia-San Sebastian, Spain — 3CIC nanoGUNE-BRTA, 20018 Donostia-San Sebastian, Spain — 4Synchrotron SOLEIL, 91190 Saint-Aubin, France
During the last couple of years, there has been a rising interest in novel two-dimensional magnetic materials. Most recently, several groups have shown that magnetic order in two-dimensional materials can be stable [1]. Here we report the single phase epitaxial growth of ML to multilayer CoBr2 and CoCl2 Au(111) as well as on NbSe2. The samples where characterized via LEED, XPS, XAS, XMCD and LT-STM. Both Co-compounds show a strong in-plane anisotropy and ferromagnetic order up to temperatures of around 20 K.
[1] Djuro Bikaljevic et al., ACS Nano, 15, 14985 (2021)