1. Jiangxi Key Laboratory for Rare Earth Magnetic Materials and Devices/Institute for Rare Earth Magnetic Materials and Devices (IREMMD), Jiangxi University of Science and Technology, Ganzhou 341000, People’s Republic of China
2. Canadian Light Source, University of Saskatchewan, Saskatoon, Saskatchewan S7N 2V3, Canada
3. National Laboratory of Solid State Microstructures & Jiangsu Key Laboratory for Nano Technology, Department of Physics, Nanjing University, Nanjing 210093, People’s Republic of China