Overview

• Scientists used advanced microscopy and machine learning to observe grain rotation in platinum nanocrystalline thin films.
• The study identified disconnections at grain boundaries as key drivers of grain rotation, impacting material efficiency.
• Real-time atomic observations revealed a link between grain rotation and grain growth or shrinkage.
• The findings offer new strategies for optimizing microstructures in electronics, aerospace, and automotive industries.
• This research enhances the performance and durability of polycrystalline materials, crucial for various technological applications.