Autonomous AI‐Driven Measurement and Characterization of 2D Materials Using Scanning Probe Microscopy

Scanning probe microscopy (SPM) has become a valuable tool for probing physical properties and nanoscale materials and devices. However, conventional SPM imaging requires manual identification of regions of interest and heavily depends on human intuition for image interpretation, which severely limits the ability to collect large datasets and conduct objective analysis. In this work, an AI‐assisted autonomous SPM framework is presented for microstructural and electrical property characterization of 2D materials with high efficiency. By analyzing topographic features through advanced clustering algorithms, the approach employs accurate image segmentation of complex geometries and multilevel thickness variations in overlapping 2D MoWTe 2 flakes. To demonstrate its scalability, this autonomous workflow is applied to over 100 MoWTe 2 flakes. Levering SPM's multimodal imaging capabilities, the framework simultaneously extracts flake thickness and work function, allowing for direct correlation between these properties. This deep‐learning‐driven autonomous approach mitigates the need for manual intervention, significantly accelerating the exploration and characterization of nanomaterials across diverse material systems.

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Publication Details

Journal
Small Structures
Published
2025-09-23
DOI
https://doi.org/10.1002/sstr.202500379
Primary Topic
Electron and X-Ray Spectroscopy Techniques
Type
article
Field-Weighted Citation Impact
0.00

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Autonomous AI‐Driven Measurement and Characterization of 2D Materials Using Scanning Probe Microscopy

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Electron and X-Ray Spectroscopy Techniques
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Autonomous AI‐Driven Measurement and Characterization of 2D Materials Using Scanning Probe Microscopy

Heejun Yang, Jinyoung You, Youngmee Kwon, Yanggeun Joo, Yunseok Kim, Sang‐Joon Cho, Jungyu Lee, Jaeuk Sung, Eunji Hwang, Do‐Hyun Kim, S.B. Heo
article en

Abstract

Scanning probe microscopy (SPM) has become a valuable tool for probing physical properties and nanoscale materials and devices. However, conventional SPM imaging requires manual identification of regions of interest and heavily depends on human intuition for image interpretation, which severely limits the ability to collect large datasets and conduct objective analysis. In this work, an AI‐assisted autonomous SPM framework is presented for microstructural and electrical property characterization of 2D materials with high efficiency. By analyzing topographic features through advanced clustering algorithms, the approach employs accurate image segmentation of complex geometries and multilevel thickness variations in overlapping 2D MoWTe 2 flakes. To demonstrate its scalability, this autonomous workflow is applied to over 100 MoWTe 2 flakes. Levering SPM's multimodal imaging capabilities, the framework simultaneously extracts flake thickness and work function, allowing for direct correlation between these properties. This deep‐learning‐driven autonomous approach mitigates the need for manual intervention, significantly accelerating the exploration and characterization of nanomaterials across diverse material systems.

Small StructuresVol. 6(12)
Korea Advanced Institute of Science and Technology (KR), MTS Systems (United States) (US), Sungkyunkwan University (KR)
National Research Foundation, National Research Foundation of Korea, Ministry of Science and ICT, South Korea
Openalex Percentile: Top 76%
Electron and X-Ray Spectroscopy Techniques
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