Atomically precise mechanosynthesis of carbon structures on hydrogenated Silicon
Researchers have achieved atomically precise mechanosynthesis of carbon structures on hydrogenated silicon surfaces. This method allows for complete control over atomic placement and chemical bonding, addressing a significant challenge in nanoscale fabrication. The study demonstrates various techniques for carbon unit donation and assembly, paving the way for programmable fabrication capabilities.
- ▪The study showcases the use of inverted-mode STM for the mechanosynthetic fabrication of carbon structures.
- ▪Researchers successfully demonstrated single-site and multi-site carbon unit donation on a hydrogen-passivated Si(100) surface.
- ▪The findings establish controlled mechanosynthetic donation as a foundational capability for atomically precise fabrication.
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Condensed Matter > Materials Science arXiv:2605.27250 (cond-mat) [Submitted on 26 May 2026] Title:Atomically precise mechanosynthesis of carbon structures on hydrogenated Si(100) by inverted-mode STM Authors:Megan Cowie, Chris Deimert, Ryan Groome, Alex Inayeh, Robert J. Kirby, Cameron J. Mackie, Jonathan Myall, Sam Rohe, Luis Sandoval, Khalil Sayed-Akhmad, Bheeshmon Thanabalasingam, Reid Wotton, Rafik Addou, Aly Asani, Brandon Blue, Adam Bottomley, Kareem A. Clarcia, Tyler Enright, James Zhangming Fan, Robert A. Freitas Jr., Alan T.K. Godfrey, Si Yue Guo, Aru Hill, Taleana Huff, Mark Jobes, Hadiya Ma, Adam C. Maahs, Oliver MacLean, Steven M. Maley, Michael Marshall, Terry McCallum, Ralph C. Merkle, Mathieu Morin, Ryan Plumadore, Henry Rodriguez, Marc Savoie, Benjamin Scheffel, Janice L.
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