{"683624":{"#nid":"683624","#data":{"type":"news","title":"Finding Clarity in the Noise: A New Way to Recover Hidden Signals at the Nanoscale","body":[{"value":"\u003Cp\u003EIn the world of nanotechnology, seeing clearly isn\u2019t easy. It\u2019s even harder when you\u2019re trying to understand how a material\u2019s properties relate to its structure at the nanoscale.\u003Cstrong\u003E \u003C\/strong\u003ETools like piezoresponse force microscopy (PFM) help scientists peer into the nanoscale functionality of materials, revealing how they respond to\u003Ca href=\u0022https:\/\/www.me.gatech.edu\/news\/me.gatech.edu\u0022\u003E\u003Cstrong\u003E \u003C\/strong\u003E\u003C\/a\u003Eelectric fields. But those signals are often buried in noise, especially in instances where the most interesting physics happens.\u003C\/p\u003E\u003Cp\u003ENow, researchers at Georgia Tech have developed a powerful new method to extract meaningful information from even the noisiest data, or when, alternatively, the response of the material is the smallest. Their approach, which combines physical modeling with advanced statistical reconstruction, could significantly improve the accuracy and confidence of nanoscale measurement properties.\u003C\/p\u003E\u003Cp\u003EThe team\u2019s findings, led by \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/faculty\/bassiri-gharb\u0022\u003E\u003Cstrong\u003ENazanin Bassiri-Gharb\u003C\/strong\u003E\u003C\/a\u003E, Harris Saunders, Jr. Chair and Professor in the \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/\u0022\u003E\u003Cstrong\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C\/strong\u003E\u003C\/a\u003E and \u003Ca href=\u0022https:\/\/www.mse.gatech.edu\/\u0022\u003E\u003Cstrong\u003ESchool of Materials Science and Engineering\u003C\/strong\u003E\u003C\/a\u003E (MSE), \u003Ca href=\u0022https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smtd.202500318\u0022\u003E\u003Cstrong\u003Eare reported in \u003C\/strong\u003E\u003Cem\u003E\u003Cstrong\u003ESmall Methods\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E\u003Cp\u003ECo-lead authors Kerisha Williams, a former MSE Ph.D. student, and Henry Shaowu Yuchi, a former Ph.D. student in the \u003Ca href=\u0022https:\/\/www.isye.gatech.edu\/\u0022\u003E\u003Cstrong\u003EH. Milton Stewart School of Industrial and Systems Engineering\u003C\/strong\u003E\u003C\/a\u003E (ISyE), spearheaded the study. Other collaborators include Kevin Ligonde, a Ph.D. student in the Woodruff School; Mathew Repasky, a former Ph.D. student in ISyE; and \u003Ca href=\u0022https:\/\/www.isye.gatech.edu\/users\/yao-xie\u0022\u003E\u003Cstrong\u003EYao Xie\u003C\/strong\u003E\u003C\/a\u003E, Coca-Cola Foundation Chair and Professor in ISyE.\u003C\/p\u003E\u003Cp\u003EThis research was initiated through Georgia Tech\u2019s Forming Teams and Moving Teams Forward seed grant program, launched by the Office of the Executive Vice President for Research in 2021. Designed to support cross-disciplinary collaboration, the program helps build research teams that align with the growing national emphasis on large-scale, team-based projects. The grant supported early work by Bassiri-Gharb, Xie, and \u003Ca href=\u0022https:\/\/www.mse.gatech.edu\/people\/juan-pablo-correa-baena\u0022\u003E\u003Cstrong\u003EJuan-Pablo Correa-Baena\u003C\/strong\u003E\u003C\/a\u003E, associate professor and Goizueta Early Career Faculty Chair in MSE.\u003C\/p\u003E\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.me.gatech.edu\/news\/finding-clarity-noise-new-way-recover-hidden-signals-nanoscale\u0022\u003ERead the full story on the George W. Woodruff School of Mechanical Engineering website\u003C\/a\u003E.\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EIn the world of nanotechnology, seeing clearly isn\u2019t easy. It\u2019s even harder when you\u2019re trying to understand how a material\u2019s properties relate to its structure at the nanoscale.\u003Cstrong\u003E \u003C\/strong\u003ETools like piezoresponse force microscopy (PFM) help scientists peer into the nanoscale functionality of materials, revealing how they respond to\u003Ca href=\u0022https:\/\/www.me.gatech.edu\/news\/me.gatech.edu\u0022\u003E\u003Cstrong\u003E \u003C\/strong\u003E\u003C\/a\u003Eelectric fields. But those signals are often buried in noise, especially in instances where the most interesting physics happens.\u003C\/p\u003E\u003Cp\u003ENow, researchers at Georgia Tech have developed a powerful new method to extract meaningful information from even the noisiest data, or when, alternatively, the response of the material is the smallest. Their approach, which combines physical modeling with advanced statistical reconstruction, could significantly improve the accuracy and confidence of nanoscale measurement properties.\u003C\/p\u003E\u003Cp\u003EThe team\u2019s findings, led by \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/faculty\/bassiri-gharb\u0022\u003E\u003Cstrong\u003ENazanin Bassiri-Gharb\u003C\/strong\u003E\u003C\/a\u003E, Harris Saunders, Jr. Chair and Professor in the \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/\u0022\u003E\u003Cstrong\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C\/strong\u003E\u003C\/a\u003E and \u003Ca href=\u0022https:\/\/www.mse.gatech.edu\/\u0022\u003E\u003Cstrong\u003ESchool of Materials Science and Engineering\u003C\/strong\u003E\u003C\/a\u003E (MSE), \u003Ca href=\u0022https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smtd.202500318\u0022\u003E\u003Cstrong\u003Eare reported in \u003C\/strong\u003E\u003Cem\u003E\u003Cstrong\u003ESmall Methods\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"Georgia Tech researchers develop a method to extract reliable information from noisy data in nanoscale imaging, advancing the study of ferroelectric materials."}],"uid":"35851","created_gmt":"2025-08-07 17:48:04","changed_gmt":"2025-08-22 13:39:57","author":"aritchie6","boilerplate_text":"","field_publication":"","field_article_url":"","location":"Atlanta, GA","dateline":{"date":"2025-08-07T00:00:00-04:00","iso_date":"2025-08-07T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"677607":{"id":"677607","type":"image","title":"IMG_2412.jpg","body":"\u003Cp\u003E\u003Cem\u003ENazanin Bassiri-Gharb, Harris Saunders, Jr. Chair and Professor in the Woodruff School\u0026nbsp;and MSE, and\u0026nbsp;Yao Xie, Coca-Cola Foundation Chair and Professor in ISyE.\u003C\/em\u003E\u003C\/p\u003E","created":"1754588928","gmt_created":"2025-08-07 17:48:48","changed":"1754588928","gmt_changed":"2025-08-07 17:48:48","alt":"Nazanin Bassiri-Gharb, Harris Saunders, Jr. Chair and Professor in the Woodruff School and MSE, and Yao Xie, Coca-Cola Foundation Chair and Professor in ISyE.","file":{"fid":"261520","name":"IMG_2412.jpg","image_path":"\/sites\/default\/files\/2025\/08\/07\/IMG_2412.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2025\/08\/07\/IMG_2412.jpg","mime":"image\/jpeg","size":1659693,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2025\/08\/07\/IMG_2412.jpg?itok=BD1OZR4p"}}},"media_ids":["677607"],"groups":[{"id":"660369","name":"Matter and Systems"},{"id":"1188","name":"Research Horizons"}],"categories":[{"id":"135","name":"Research"}],"keywords":[{"id":"187915","name":"go-researchnews"}],"core_research_areas":[{"id":"39451","name":"Electronics and Nanotechnology"},{"id":"193652","name":"Matter and Systems"}],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003E\u003Ca href=\u0022mailto:ashley.ritchie@me.gatech.edu\u0022\u003EAshley Ritchie\u003C\/a\u003E\u003Cbr\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C\/p\u003E","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}