Dr. Xinfeng Liu, Project Leader, Hundred Talents Program of the Chinese Academy of Sciences, and Deputy Director of Science and Technology, National Center for Nanoscience and Technology of China (NCNST). He graduated from Northeast Normal University in 2007, and obtained the doctoral degree from the National Nanoscience Center in 2011, and engaged in postdoctoral research at Nanyang Technological University (NTU) in Singapore from 2011 to 2105. In 2015, he joined NCNST through the Overseas Talent Program of the Chinese Academy of Sciences. In 2023, he was supported by the Outstanding Youth Program of the National Science Foundation of China. His current research interests mainly focus on the study of high spatial and temporal resolution ultrafast dynamics and related physical and chemical properties. In recent years, he published more than 260 research papers in Science, Nat. Mater, Sci Adv., Nat. Commun, etc. with total citations over 21000. h index,75. He served as peer reviewer for Nat. Nanotech, Sci. Adv. Nat. Commun. He also severed as member of the editorial board of Journal of Physics: Photonics, Frontiers of Physics, InfoMat, and Youth Editorial Board of Materials Today Physics.