1. Research Center for Physics National Research and Innovation Agency South Tangerang Banten 15314 Indonesia
2. Department of Physics Tohoku University Sendai 980-8578 Japan
3. Center for Spintronics Research Network Tohoku University Sendai 980-8577 Japan
4. Center for Science and Innovation in Spintronics (Core Research Cluster) Tohoku University Sendai 980-8577 Japan