1. Institute for NanoScience Design, Osaka University, Toyonaka, Osaka 560-8531, Japan
2. Institute for Datability Science, Osaka University, Suita, Osaka 565-0871, Japan
3. Center for Spintronics Research Network, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
4. Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
5. Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich GmbH and JARA, D-52425 Jülich, Germany