Machine Learning-Based Reward-Driven Tuning of Scanning Probe Microscopy: Toward Fully Automated Microscopy.

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Tác giả: Mahshid Ahmadi, Jason Bemis, Astita Dubey, Reece Emery, Sergei V Kalinin, Yu Liu, Yu-Chen Liu, Utkarsh Pratiush, Roger Proksch, Philip D Rack, Jan-Chi Yang

Ngôn ngữ: eng

Ký hiệu phân loại: 577 Ecology

Thông tin xuất bản: United States : ACS nano , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 749340

Since the dawn of scanning probe microscopy (SPM), tapping or intermittent contact mode has been one of the most widely used imaging modes. Manual optimization of tapping mode not only takes a lot of instrument and operator time but also often leads to frequent probe and sample damage, poor image quality, and reproducibility issues for new types of samples or inexperienced users. Despite wide use, optimization of tapping mode imaging is an extremely difficult problem, being ill-suited to both classical control methods and machine learning techniques. Here, we describe a reward-driven workflow to automate the optimization of the SPM in tapping mode. The reward function is defined based on multiple channels with physical and empirical knowledge of good scans encoded, representing a sample-agnostic measure of image quality and imitating the decision-making logic employed by human operators. The workflow determines scanning parameters that produce consistent, high-quality images in attractive modes across various probes and samples. These results demonstrate improved efficiency and reliability in tapping mode SPM operation.
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