1. School of Materials Science and Engineering South China University of Technology Guangzhou 510640 China
2. Zhongshan R&D Center for Materials Surface and Thin Films Technology of the South China University of Technology Gent Materials Surface Technology (Guangdong) CoLtd Zhongshan 528437 China
3. Zhongshan Institute of Modern Industrial Technology of SCUT Zhongshan 528400 China
4. Univ. Grenoble Alpes CNRS Institut NEEL 38000 Grenoble France
5. Institute of Advanced Magnetic Materials College of Materials & Environmental Engineering Hangzhou Dianzi University Hangzhou 310018 China
6. Institute for Advanced Materials South China Academy of Advanced Optoelectronics South China Normal University Guangzhou 510006 China
7. Laboratory of Rare-Earth Magnetic Functional Materials Ningbo Institute of Material Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China
8. Department of Physics University of Texas at Arlington Arlington TX 76019 USA