Title: Neutron Scattering and Imaging Techniques and Their Applications in Materials Research
Speaker: Professor Chen Jie (Institute of High Energy Physics, Chinese Academy of Sciences)
Invited by: Professor Liang Zhenxing
Time: March 27, 2026 (Friday) 16:00 - 17:00
Venue: Conference Room B13-1109, University Town Campus, South China University of Technology
Organizer: Guangdong Provincial Key Laboratory of Fuel Cell Technology, School of Chemistry and Chemical Engineering
Biography
Dr. Chen Jie is a Professor at the Institute of High Energy Physics, Chinese Academy of Sciences, and a Doctoral Supervisor at the University of Chinese Academy of Sciences. He serves as the academic group leader of the Neutron Science Division of the China Spallation Neutron Source (CSNS), the Principal Investigator of the Energy-Resolved Neutron Imaging Spectrometer, and the Deputy Leader of the General Purpose Powder Diffractometer. He is a member of the Technical Committee on Local Structure and Total Scattering of Solids under the Chinese Crystallographic Society, and the Deputy Head of the New Methods in Experimental Mechanics Group under the Experimental Mechanics Committee of the Chinese Society of Theoretical and Applied Mechanics. In 2017, he was selected for the Youth Innovation Promotion Association of the Chinese Academy of Sciences. In 2021, he was selected for the Basic Research Young Team of the Chinese Academy of Sciences. He is also recognized as a Distinguished Talent of Dongguan (Category II). He received the First Prize for Scientific and Technological Progress in Dongguan in 2023 (ranked second). His research focuses on neutron spectrometer technology, neutron experimental methodology, and their applications. Recent scientific collaborations have resulted in over 40 publications in journals such as Science Advances, Nature Communications, Advanced Materials, JACS, Nano Energy, Acta Materialia, and Corrosion Science.
Abstract
As the first major national science and technology infrastructure constructed and operational in the Guangdong-Hong Kong-Macao Greater Bay Area, the China Spallation Neutron Source (CSNS) serves as a unique platform for studying the microstructure and dynamics of matter. Neutrons possess distinctive advantages such as strong penetration, sensitivity to light elements, the ability to distinguish neighboring elements, and magnetic moments, making them highly valuable for material structural characterization. The CSNS integrates multi-scale, multi-dimensional, and multi-modal structural characterization capabilities. By combining neutron scattering and imaging techniques, it enables in-situ probing of structural information deep within materials and devices, reaching depths of several centimeters. For example, neutron scattering and Bragg edge neutron imaging can reveal two-/three-dimensional spatial distributions of crystal structure, magnetic structure, and stress-strain within materials. Neutron grating interferometry allows for 3D visualization of magnetic domain structures within materials. Conventional neutron imaging and CT can provide information on defects, voids, cracks, and other features inside specimens. This facility supports research and applications in the development, design, manufacturing, operation, and service performance evaluation of materials and components in fields such as new energy, new materials, and high-end equipment manufacturing. Additionally, it is applicable to specialized research areas including cultural heritage and archaeology, plant physiology, geology, and deep-sea studies.
Announced by School of Chemistry and Chemical Engineering.