1. Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyamacho, Toyonaka, Osaka 560-8531, Japan
2. Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University, 1-3, Machikaneyamacho, Toyonaka, Osaka 560-8531, Japan
3. ULVAC-Osaka University Joint Research Laboratory for Future Technology, Osaka University, 2-1, Yamadaoka, Suita, Osaka 560-0871, Japan
4. University Grenoble Alpes, CEA, CNRS, Spintec, 38000 Grenoble, France