Dr. Jun-Ming Liu is a Changjiang Professor in the Department of Physics and the Laboratory of Solid State Microstructures, Nanjing University, China (http://nju.edu.cn/). He obtained his Ph.D. from Northwestern Polytechnical University in 1989 before joining the Department of Physics, Nanjing University. He specializes in correlated quantum materials and computational materials sciences, concentrating on ferroelectrics and multiferroics in recent years. He can be contacted via E-mail: [email protected] and the research interests of his group can be found at internet link: http://pld.nju.edu.cn/