[17p-K503-1~12] 6.6 Probe Microscopy

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[17p-K503-6] Room-Temperature Atomic Manipulation on Ag/Si(111)-(7×7) Surface Using Artificial Intelligence

Junya Okuyama¹, Zhuo Diao¹, Hayato Yamashita¹, 〇Masayuki Abe¹ (1.Univ. Osaka)

Keywords:

atom manipulation,scanning tunnling microscopy,AI

Atomic manipulation experiments using Scanning Probe Microscopy (SPM) at room temperature may enable direct investigation of thermally excited dynamic behaviors and interactions with surrounding environments that could not be observed in conventional experiments under ultra-low temperature conditions. This could lead to important fundamental scientific insights, such as elucidating the adsorption and diffusion mechanisms of atoms and molecules on surfaces, and direct observation of transition states in chemical reactions. However, due to significant effects of thermal drift and changes in the probe tip, it has been technically challenging to continue experiments for extended periods. In this presentation, we report on atomic manipulation experiments using AI. The experiments were performed using scanning tunneling microscopy (STM) on a Si(111)-(7x7) surface with deposited Ag atoms. To move Ag atoms to adjacent half unit cells (HUCs), we used a method of bringing the probe tip close to the HUC boundary. Thermal drift correction and probe tip repair were performed using our previously developed AI-based method.