3 1 M ar 2 01 6 Electronic Correlation and Magnetism in the Ferromagnetic Metal Fe 3 GeTe 2

Los Alamos National Laboratory, Los Alamos, New Mexico 8754 5, USA Brazil Synchrotron Light Laboratory (LNLS), National Cent r for Research in Energy and Materials (CNPEM), Campinas, B razil Group of Micro and Nanomagnetism, Institut Néel, Grenoble , France Uppsala University, Department of Physics & Astronomy, S-7 5121 Uppsala, Sweden Laboratory for Neutron Scattering and Imaging, Paul Scherr er Institute, CH-5232 Villigen PSI, Switzerland Department of Materials and Nanophysics, KTH Royal Institu te of Technology, SE-16440 Stockholm Kista, Sweden