1. Institute of Materials Science, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Hanoi City, Vietnam
2. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Hanoi City, Vietnam
3. Laboratory of Magnetism and Magnetic Materials, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City, Vietnam
4. Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Vietnam