1. Department of Physics, Hokkaido University, Sapporo 060-0810, Japan
2. American University of the Middle East, College of Engineering and Technology, Eqaila, Kuwait
3. Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf (HZDR), D-01314 Dresden, Germany
4. Department of Physics, California State University and Center for Advanced Nanoscience, Fresno, CA 93740, U.S.A.
5. Department of Physics, University of California San Diego, La Jolla, CA 92093, U.S.A.