*Ilie Radu^1,2 (1. European XFEL, Germany , 2. Max Born Institute Berlin, Germany)

*Sergey Zayko¹, Ofer Kfir², Michael Heigl³, Jakob Hagen¹, Murat Sivis⁴, Manfred Albrecht³, Claus Ropers¹ (1. Max Planck Institute for Biophysical Chemistry, Goettingen, 2. School of Electrical Engineering, Tel Aviv University, 69978, Tel Aviv, Israel, 3. Experimentalphysik IV Institut für Physik Universität Augsburg, Germany, 4. Physical Institute—Solids and Nanostructures, University of Göttingen, Germany)

*Davide Bossini¹ (1. University of Konstanz)

*Hendrik Meer¹, Felix Schreiber¹, Olena Gomonay¹, Christin Schmitt¹, Rafael Ramos^2,3, Leo Schnitzspan¹, Mohamad Assaad Mawass⁴, Florian Kronast⁴, Sergio Valencia⁴, Eiji Saitoh^2,5,6,7, Jairo Sinova¹, Lorenzo Baldrati¹, Mathias Kläui¹ (1. Institute of Physics, Johannes Gutenberg-University Mainz, 55099 Mainz, Germany, 2. WPI-Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan, 3. Centro de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química-Física, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain, 4. Helmholtz-Zentrum Berlin für Materialien und Energie, D-12489 Berlin, Germany, 5. Department of Applied Physics, The University of Tokyo, Tokyo 113-8656, Japan, 6. Center for Spintronics Research Network, Tohoku University, Sendai 980-8577, Japan, 7. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan)