*Stefano Reale1,2,3, Safa L. Ahmed1,4, Aparajita Singha1,3, Denis Krylov1,3, Lukas Spree1,3, Jaehyun Lee1,4, Stefano Rusponi5, Marina Pivetta5, Alessandro Lodesani6, Andrea Picone6, Alberto Brambilla6, Saverio Ricci7, Alessandro Barla8, Pierluigi Gargiani9, Christoph Wolf1,3, Luciano Colazzo1,3, Harald Brune5, Andreas J. Heinrich1,4, Fabio Donati1,4
(1. Center for Quantum Nanoscience (QNS), Institute for Basic Science (IBS), Seoul 03760 (Korea), 2. Dipartimento di Energia, Politecnico di Milano, Milano 20133 (Italy), 3. Ewha Womans University, Seoul 03760 (Korea), 4. Department of Physics, Ewha Womans University, Seoul 03760 (Korea), 5. Institute of Physics, Ecole Polytechnique Federale de Lausanne, 1015 Lausanne (Switzerland), 6. Dipartimento di Fisica, Politecnico di Milano, Milano 20133 (Italy), 7. Dipartimento di Elettronica, Politecnico di Milano, Milano 20133 (Italy), 8. Istituto di Struttura della Materia (ISM), Consiglio Nazionale delle Ricerche (CNR), I-34149 Trieste (Italy), 9. ALBA Synchrotron Light Source, Cerdanyola del Valles, 08290, Catalonia (Spain))
Keywords:Single-atom magnet, XMCD, Multiplet calculations, STM, Lanthanides, MgO