{"683209":{"#nid":"683209","#data":{"type":"news","title":"Electron Beam Technique Carves and Constructs at the Nanoscale","body":[{"value":"\u003Cp\u003ECreating complex structures at the tiniest scales has long been a challenge for engineers. But new research from Georgia Tech shows how electron beams, already widely used in imaging and fabrication, can also be used as ultra-precise tools to both carve and build structures out of materials like copper.\u003C\/p\u003E\u003Cp\u003EThe research group of Professor \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/faculty\/fedorov\u0022\u003E\u003Cstrong\u003EAndrei Fedorov\u003C\/strong\u003E\u003C\/a\u003E in the George W. Woodruff School of Mechanical Engineering has discovered a technique that uses focused electron beams in a liquid environment to either remove or deposit copper, depending entirely on the surrounding chemistry. By tuning the amount of ammonia in the solution, the researchers were able to control whether the beam etched away the material or deposited it, effectively allowing 3D sculpting at the atomic level.\u003C\/p\u003E\u003Cp\u003ETheir findings were recently published in the journal \u003Ca href=\u0022https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/adfm.202514610\u0022\u003E\u003Cem\u003E\u003Cstrong\u003EAdvanced Functional Materials\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.me.gatech.edu\/news\/electron-beam-technique-carves-and-constructs-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\u003ECreating complex structures at the tiniest scales has long been a challenge for engineers. But new research from Georgia Tech shows how electron beams, already widely used in imaging and fabrication, can also be used as ultra-precise tools to both carve and build structures out of materials like copper.\u003C\/p\u003E\u003Cp\u003EThe research group of Professor \u003Ca href=\u0022https:\/\/www.me.gatech.edu\/faculty\/fedorov\u0022\u003E\u003Cstrong\u003EAndrei Fedorov\u003C\/strong\u003E\u003C\/a\u003E in the George W. Woodruff School of Mechanical Engineering has discovered a technique that uses focused electron beams in a liquid environment to either remove or deposit copper, depending entirely on the surrounding chemistry. By tuning the amount of ammonia in the solution, the researchers were able to control whether the beam etched away the material or deposited it, effectively allowing 3D sculpting at the atomic level.\u003C\/p\u003E\u003Cp\u003ETheir findings were recently published in the journal \u003Ca href=\u0022https:\/\/advanced.onlinelibrary.wiley.com\/doi\/10.1002\/adfm.202514610\u0022\u003E\u003Cem\u003E\u003Cstrong\u003EAdvanced Functional Materials\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"Georgia Tech researchers demonstrate a new way to sculpt materials with atomic precision, offering new possibilities for electronics, healthcare, and beyond."}],"uid":"35851","created_gmt":"2025-07-21 23:38:48","changed_gmt":"2025-07-21 23:39:57","author":"aritchie6","boilerplate_text":"","field_publication":"","field_article_url":"","location":"Atlanta, GA","dateline":{"date":"2025-07-21T00:00:00-04:00","iso_date":"2025-07-21T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"677466":{"id":"677466","type":"image","title":"Fedorov_Research-Paper_0.jpg","body":null,"created":"1753141136","gmt_created":"2025-07-21 23:38:56","changed":"1753141136","gmt_changed":"2025-07-21 23:38:56","alt":"Electron Beam Technique Carves and Constructs at the Nanoscale","file":{"fid":"261367","name":"Fedorov_Research-Paper_0.jpg","image_path":"\/sites\/default\/files\/2025\/07\/21\/Fedorov_Research-Paper_0.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2025\/07\/21\/Fedorov_Research-Paper_0.jpg","mime":"image\/jpeg","size":263436,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2025\/07\/21\/Fedorov_Research-Paper_0.jpg?itok=kEroyG8z"}}},"media_ids":["677466"],"groups":[{"id":"1188","name":"Research Horizons"},{"id":"108731","name":"School of Mechanical Engineering"}],"categories":[{"id":"135","name":"Research"}],"keywords":[{"id":"187915","name":"go-researchnews"}],"core_research_areas":[],"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":""}}}