1. School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
2. Beijing Key Laboratory for Magnetoelectric Materials and Devices (BKLMMD) Beijing Innovation Center of Materials Science and Engineering College of Engineering Peking University Beijing 100871 China
3. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of Science Beijing 100190 China
4. Institute of Chemical and Engineering Science A*Star 1 Pesek Road Singapore 627833 Singapore
5. MagnetoCat SL General Polavieja 9 3I Alicante 03012 Spain
6. Energy Research Institute @ Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore