通过反向模式 STM 实现氢化 Si(100) 表面碳结构的原子级精确机械合成
材料科学
2026-05-27 v1
摘要
对原子级结构的构建具有对原子布置和化学键完全控制的能力，仍是纳米制造中的核心挑战。本文展示了对碳结构的机械合成实现了空间与化学的同步控制。利用反向模式 STM，我们将 C 单元从表面沉积的分子捐献给已在氢化 Si(100) 表面上预模式化的活性位点。我们演示了单位点 C 捐献、空间模式化的多位点 C 捐献，以及通过连续 C-C 键形成的聚yne 结构的逐步组装。这些结果确立了受控机械合成捐献作为可编程原子级精确制造的基础能力。
引用
@article{arxiv.2605.27250,
title = {Atomically precise mechanosynthesis of carbon structures on hydrogenated Si(100) by inverted-mode STM},
author = {Megan Cowie and Chris Deimert and Ryan Groome and Alex Inayeh and Robert J. Kirby and Cameron J. Mackie and Jonathan Myall and Sam Rohe and Luis Sandoval and Khalil Sayed-Akhmad and Bheeshmon Thanabalasingam and Reid Wotton and Rafik Addou and Aly Asani and Brandon Blue and Adam Bottomley and Kareem A. Clarcia and Tyler Enright and James Zhangming Fan and Robert A. Freitas and Alan T. K. Godfrey and Si Yue Guo and Aru Hill and Taleana Huff and Mark Jobes and Hadiya Ma and Adam C. Maahs and Oliver MacLean and Steven M. Maley and Michael Marshall and Terry McCallum and Ralph C. Merkle and Mathieu Morin and Ryan Plumadore and Henry Rodriguez and Marc Savoie and Benjamin Scheffel and Janice L. Wong and Damian G. Allis and Jeremy Barton and Michael Drew and Matthew R. Kennedy and Tait Takatani and Marco Taucer and Dusan Vobornik and Ryan Yamachika and Mathieu Durand},
journal= {arXiv preprint arXiv:2605.27250},
year = {2026}
}
备注
Supplementary Information is available upon request