{"id":14527,"date":"2024-10-24T15:55:15","date_gmt":"2024-10-24T19:55:15","guid":{"rendered":"https:\/\/staging.asminternational.org\/ims\/scanbot-streamlines-materials-research-with-stm-automation\/"},"modified":"2024-10-24T20:18:26","modified_gmt":"2024-10-24T20:18:26","slug":"scanbot-streamlines-materials-research-with-stm-automation","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/ims\/scanbot-streamlines-materials-research-with-stm-automation\/","title":{"rendered":"Scanbot streamlines materials research with STM automation"},"content":{"rendered":"

Researchers at Monash University (Melbourne, Australia) developed a new open-source software package that aims to significantly streamline the study of materials using scanning tunneling microscopes (STMs). The software, named Scanbot, automates the time-consuming probe optimization and data acquisition processes essential for STM experiments, helping to accelerate 2D materials research by enabling detailed investigation after the STM tip has been automatically optimized and sharpened.<\/p>\n

STMs are powerful tools that allow atomic-scale exploration and characterization of material surfaces, but considerable time must be spent optimizing the instrument.<\/p>\n

Exploring and characterizing the atomic landscape of surfaces has become a fundamental pursuit in modern science. STMs are among the most powerful tools that let scientists probe and interact with the world at this unimaginable scale, providing images and spectroscopic data that enable us to peer into the quantum realm and see how materials behave at the atomic level.<\/p>\n

Julian Ceddia, lead researcher on this Monash University team, explains that a revelation came to him after getting tired of the hours he routinely wasted optimizing and sharpening the STM tip just to get meaningful data. \u201cAfter countless hours spent fine-tuning the STM during my Ph.D., I discovered that the quality of the probe could be easily quantified by imaging imprints that the it leaves behind after being poked just a few angstroms into the surface,\u201d Ceddia says.<\/p>\n

These imprints carry information about the arrangement of atoms at the tip of the scanning probe and are key to predicting how good the data will be before acquiring it. \u201cBasically, sharper tips leave behind smaller imprints. Scanbot automates the process by repeatedly pressing the tip into the surface until the imprint shows that the tip is sharp enough for high-quality imaging,\u201d Julian explains.<\/p>\n

This straightforward approach to \u2018tip shaping\u2019 avoids many of the challenges associated with using machine learning for similar tasks. \u201cInstead of training an AI on vast amounts of labelled data to recognize high-quality images, Scanbot uses simple algorithms to measure the size and symmetry of the probe apex based on the imprints it leaves,\u201d adds Dr. Benjamin Lowe, a key collaborator on the project.<\/p>\n

But Scanbot\u2019s capabilities extend beyond just tip shaping. It also automates common data acquisition techniques, such as sample surveying, making STMs easier to operate overall. \u201cMy goal with Scanbot was to make STM more accessible and user-friendly,\u201d says Julian. \u201cThat\u2019s why I invested a lot of time into designing an intuitive user interface and writing comprehensive documentation.\u201d<\/p>\n

The paper detailing Scanbot\u2019s development and applications was published in The Journal of Open-Source Software<\/em> (\u201cScanbot: An STM Automation Bot\u201d<\/a>).<\/p>\n

Image \u2013Scanbot autonomous survey: a) An autonomous survey of a 2D metal-organic framework comprised of 49 STM images in a 7\u00d77 grid stitched together, acquired by Scanbot after it prepared a \u2018good STM tip\u2019 automatically. b) A single STM image extracted from the automated survey (blue box in a)). Courtesy of FLEET.<\/em>
\n************
\nFor more information:
\nARC Centre of Excellence in Future Low-Energy Electronics Technologies<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Researchers at Monash University (Melbourne, Australia) developed a new open-source software package that aims to significantly streamline the study of materials using scanning tunneling microscopes (STMs). The software, named Scanbot, automates the time-consuming probe optimization and data acquisition processes essential for STM experiments, helping to accelerate 2D materials research by enabling detailed investigation after the STM tip has been automatically optimized and sharpened.<\/p>\n","protected":false},"author":59485,"featured_media":14532,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[467,468,447,448,481],"tags":[],"class_list":["post-14527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-characterization","category-metallography-and-microstructures","category-news","category-news-articles","category-testing-and-characterization"],"yoast_head":"\nScanbot streamlines materials research with STM automation - International Metallographic Society<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.asminternational.org\/ims\/scanbot-streamlines-materials-research-with-stm-automation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scanbot streamlines materials research with STM automation - International Metallographic Society\" \/>\n<meta property=\"og:description\" content=\"Researchers at Monash University (Melbourne, Australia) developed a new open-source software package that aims to significantly streamline the study of materials using scanning tunneling microscopes (STMs). 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