Layer-resolved magnetic exchange interactions of surfaces of late 3d elements: Effects of electronic correlations

S. Keshavarz,1 Y. O. Kvashnin,1 I. Di Marco,1 A. Delin,1,2 M. I. Katsnelson,3,4 A. I. Lichtenstein,4,5 and O. Eriksson1 1Uppsala University, Department of Physics and Astronomy, Division of Materials Theory, Box 516, SE-751 20 Uppsala, Sweden 2KTH Royal Institute of Technology, Department of Materials and Nano Physics, Electrum 229, SE-164 40 Kista, Sweden 3Radboud University of Nijmegen, Institute for Molecules and Materials, Heijendaalseweg 135, 6525 AJ Nijmegen, The Netherlands 4Theoretical Physics and Applied Mathematics Department, Ural Federal University, Mira Street 19, 620002 Ekaterinburg, Russia 5Institute of Theoretical Physics, University of Hamburg, Jungiusstrasse 9, 20355 Hamburg, Germany (Received 23 June 2015; published 28 October 2015)