1. School of Materials Science and Engineering, The University of New South Wales, NSW 2052, Australia
2. Department of Computer Applications in Science and Engineering, Barcelona Supercomputing Center (BSC), C/Jordi Girona 31, 08034 Barcelona, Spain
3. Fachgebiet Keramische Werkstoffe, Technische Universität Berlin, 10623 Berlin, Germany
4. Center for Spintronics Research Network, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan