Xu Liye, a doctoral student in the 2020 class jointly trained by Professor Qiu Min's research group and Professor Cui Weicheng's research group at Westlake University, has published an article entitled "Oxidation-driven 2D LIPSS on amorphous Si films atop metal layers: The interplay of near-field and far-field effects" in the journal Applied Surface Science.

This article studies the two-dimensional laser-induced periodic surface structures formed on amorphous silicon thin films on metal layers using circularly polarized femtosecond laser-induced. The research focuses on the influence of laser energy on the regularity of the patterns, and further reveals the interaction between near-field and far-field contributions in the growth process of oxide-based LIPSS through the replacement of the underlying metal material. The study shows that the modulation of pattern regularity can be achieved by controlling the interaction between near-field and far-field effects, emphasizing the role of the underlying metal in optimizing the quality of LIPSS.