The 2026 International Conference on Physics, Electromagnetics, and Semiconductor Materials (PESM 2026) will be held grandly in Yantai, an important science and technology innovation city around the Bohai Sea in China. This conference focuses on the cross integration of condensed matter physics, electromagnetic theory, and advanced semiconductor materials, aiming to build a high-level international academic exchange platform that emphasizes both basic and applied knowledge. It brings together ex