| Biography | |
|---|---|
 Prof. Ming ZHENG China University of Mining and Technology, China |
|
| Title: Electrically induced nonvolatile control of magnetic and transport properties in PMN-PT-based multiferroics | |
| Abstract: Controlling magnetism by electric field is of critical importance for the future development of ultralow-power electronic and spintronic devices. Progress has been made in electrically driven nonvolatile tuning of magnetic states in multiferroic heterostructures for information storage industry, which is exclusively attributed to ferroelectric polarization switching-induced interfacial charge effect or nonlinear lattice strain effect. Here, we use ferroelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) substrate to obtain robust nonvolatile control of magnetic and electrical properties in elastically-coupled epitaxial thin films on it by applying electric fields. Our findings demonstrate a strong strain-mediated nonvolatile magnetoelectric coupling effect. In particular, we establish the intrinsic relationship between lattice strain and physical properties of the films. This discovery illustrates the role of lattice strain in achieving electrically tunable nonvolatile modulation of physical properties and favors the design of future energy efficient magnetoelectric devices. | |
| Biography: Prof. Ming Zheng obtained his PhD degree from Shanghai Institute of Ceramics, Chinese Academy of Sciences. He was awarded Japan Society for The Promotion of Science (JSPS) Fellowship in 2018. In 2019, he was invited to join China University of Mining and Technology as a faculty member through high-level talent program. His current research interests include functional (multiferroic, ferroelectric, magnetic and luminescent) thin-film materials and devices. He has published 30 peer-reviewed journals, including NPG Asia Mater., Adv. Funct. Mater., Nano Energy, ACS Appl. Mater. Interfaces (2), Appl. Phys. Lett. (8), Phys. Rev. B. He also served as the referee for well-known journals, such as NPG Asia Mater., ACS Appl. Mater. Interfaces, J. Mater. Chem. C, Adv. Electron. Mater. etc. | |
