The Key Laboratory of Polarization Materials and Devices of the Ministry of Education aims at the strategic needs of national information industry and technology development, with the core objectives of studying charge and spin polarization of condensed matter, discovering polarization laws and new physical effects, exploring quantum control methods and new functional devices. According to the latest research progress and trends in the related fields, the laboratory has established the main research directions of electron spin polarization and transport in narrow band semiconductors, charge polarization and magnetic coupling rules in ferroelectric/multiferroelectric bodies, spin/charge polarization optoelectronics research, oxide micro-nano-polarized electronic devices and silicon-based integration.

➤ Personal profile: Chu Junhao, professor and academician, is an expert in semiconductor physics and devices in China, a researcher and an infrared physicist at the Shanghai Institute of Technology Physics, Chinese Academy of Sciences. He is currently deputy director of the Science and Technology Committee of the Shanghai Institute of Technical Physics, Chinese Academy of Sciences, and dean of the School of Science at Donghua University.
➤ Research interests: long-term research in infrared optoelectronic materials and devices.
➤ Key results.
Junhao Chu has long been engaged in the study of infrared optoelectronic materials and devices, and has carried out material physics and device research on narrow band semiconductor mercury cadmium telluride (HgCdTe) and ferroelectric thin films for red detectors. He proposed the equation for the forbidden band of HgCdTe, which was widely cited and considered to be the most consistent with the experimental results. He established a theoretical model for the study of the two-dimensional electron-gas-energy band structure of narrow-band semiconductor MIS devices. The research on detectors, PZT and BST ferroelectric thin-film uncooled infrared detectors and thermal imaging have been successfully conducted, making great contributions to China's physical science and research.
The main research is on solid-state physics and the physics of narrow-band semiconductors. Systematic study of the basic physics of the narrow band semiconductor, in the optical properties, electrical properties, energy band structure, lattice vibration, impurity defects, two-dimensional electron gas research has achieved systematic research results, HgCdTe basic physics part of research results with the international leading level. The proposed forbidden band width formula is known internationally as the CXT formula (Chu, Xu, Tang).
He has published more than 200 papers, and his research results have been widely cited at home and abroad and have been extensively written up in scientific manuals and monographs published in the United States, the United Kingdom, the Netherlands and the former Soviet Union. He has been invited by Landolt-Bornstein Science and Technology Data Set as the person in charge of the revision of "Hg-containing compounds".

➤Personal Profile: Zhu Ziqiang, Ph.D., is a Distinguished Professor of the Zijiang Scholars and one of the first tenured professors. He was formerly vice president of East China Normal University and dean of the Graduate School of East China Normal University. He is now president of Shanghai Normal University and vice president of Shanghai Electronics Society.
➤ Research interests: semiconductor materials and devices; biosensors, etc.
➤ Main achievements: Professor Zhu has been devoted to research in the field of semiconductors for many years, especially in the field of II-VI semiconductor compound materials and devices, and his research results have been recognized by the Chinese government.
The company has been recognized by international peers. He has published more than 170 papers in international SCI journals with more than 3000 citations. He has completed more than 20 national, ministerial and Shanghai key scientific research projects, including the National Outstanding Youth Fund, and obtained more than a dozen national invention patents. 1995, he took the lead in the international growth of ZnO MBE, the preparation of high quality MBE ZnO single crystal materials, and reported the 500K ZnO optical pump exciton laser for the first time. Published as a corresponding author in Appl. Phys. Lett. 70 (1997) 2230, with over 1200 citations to date for a single SCI paper.

➤Personal Profile: Prof. Chungang Duan, Director of the Key Laboratory of Polarized Materials and Devices of the Ministry of Education, East China Normal University (ECNU), PhD supervisor, and recipient of the National Outstanding Youth Science Foundation.
➤ Research interests: mainly engaged in theoretical studies and computational simulations of the structure and physical properties of solid materials, including 1) information-functional materials such as multiferrites, magnetoelectrics, ferromagnetics and spintronics materials; 2) nanostructures: ultrathin films, surface interfaces, nanotubes, etc.; 3) spin transport of magnetic and ferroelectric materials tunnel junctions; 4) molecular dynamics and Monte Carlo simulations.
➤ Main results: more than 80 scientific papers published in Nano Lett.' Phys. Rev. Lett.' Adv. Mater, Adv. Func. Mater, etc., with more than 2200 SCI citations. He is a member of the International Advisory Committee of the 4th International Conference on Materials (2012), and the 4th Asia Pacific Multiferroic Society, and the International Journal Frontiers in Frontiers (2012). He is currently a member of the Computational Materials Branch of the Chinese Society for Materials Research, and was a member of the International Advisory Committee of the 4th International Materials Congress, a member of the 4th Asia Pacific Multi-Ferrite Society, and an editorial board member of the international journal Frontiers in Condensed Matter Physics.

➤Personal Profile:Shaoqiang Chen is currently a professor at East China Normal University, where he holds a master's degree.
➤ Research interests: preparation technology and optoelectronic properties of semiconductor nano-optical materials, design and preparation of semiconductor high-efficiency solar cells and semiconductor pulsed lasers, and physical and experimental studies of their optoelectronic properties.
➤ Major achievements: conducted systematic and in-depth research work in the field of semiconductor optoelectronic materials and devices, revealing the one-dimensional Einstein equation, which is distinct from the three-dimensional one, and creating and verifying an accurate method to measure the intrinsic lifetime of excitons using absorption spectra using T-type GaAs quantum lines with the highest mass and uniformity in the world (Scientific Reports. 3, 1941, 2013); developed a new theoretical fundamental model for gain-converting semiconductor pulsed lasers and used semiconductor pulsed lasers to generate ultrashort gain-converting light pulses with world record-breaking blue and infrared fields (Scientific Reports.4, 6401, 2014); established quantitative carriers for multi-junction solar cells equilibrium theoretical model, and pioneered the method to quantify various energy losses of the sub-junction by measuring the absolute external electroluminescence efficiency of semiconductor solar cells (Scientific Reports.5, 7836 ,2015). Up to now, he has published more than 40 SCI or EI papers, including more than 20 first-authored papers in Nature's journals Scientific Reports (4), Appl.

➤Personal Profile:Zhigao Hu, Distinguished Professor of Oriental Scholars, is a professor and PhD supervisor in the Department of Electrical Engineering, School of Information Science and Technology, East China Normal University.
➤ Research interests: optoelectronic materials, devices and physics; ferroelectric oxide spectroscopy; optoelectronics of oxide semiconductors and their low-dimensional structures; development of systems for testing optoelectronic properties under extreme conditions.
➤ Main Achievements: More than 150 SCI-indexed papers (including more than 80 papers with an impact factor of 3.0 or above) have been published in PRB, APL and other top international academic journals on applied physics and materials, with more than 700 citations. He has published 4 chapters of international English academic monographs by invitation. He has presided over and completed more than ten scientific research projects, including the Major Scientific Research Program of the Ministry of Science and Technology, the National Natural Science Foundation of China, and the key projects of the Shanghai Municipal Science and Technology Commission and Shanghai Municipal Education Commission.

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