1. Department of Applied Physics, Osaka University, Osaka 565-0871, Japan
2. Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
3. International Institute for Sustainability with Knotted Chiral Meta Matter (SKCM2), Hiroshima University, Higashi-Hiroshima 739-8526, Japan
4. Istituto Officina dei Materiali, Consiglio Nazionale delle Ricerche (CNR-IOM), Trieste I-34149, Italy
5. Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan
6. Center for Spintronics Research Network, Graduate School of Engineering Science, Osaka University, Osaka 560-8531, Japan
7. Spintronics Research Network Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 565-0871, Japan