Engineering single-atom dynamics with electron irradiation
Name
eaav2252.full.pdf
Description
Published version
Size
1.09 MB
Format
Adobe PDF
Checksum (MD5)
b7259f05d4e54bd69e8c1a1b8fbe7577
Author(s)
Su, Cong
Tripathi, Mukesh
Yan, Qing-Bo
Wang, Zegao
Zhang, Zihan
Hofer, Christoph
Wang, Haozhe
Basile, Leonardo
Su, Gang
Dong, Mingdong
Date Issued
May 2019
Journal
Applied Physics
Publisher
American Association for the Advancement of Science (AAAS)
Citation
Cong, Su et al. "Engineering single-atom dynamics with electron irradiation." Applied Physics 5, 5 (May 2019): eaav2252 © 2019 The Authors
Version
Final published version
Abstract
Atomic engineering is envisioned to involve selectively inducing the desired dynamics of single atoms and combining these steps for larger-scale assemblies. Here, we focus on the first part by surveying the single-step dynamics of graphene dopants, primarily phosphorus, caused by electron irradiation both in experiment and simulation, and develop a theory for describing the probabilities of competing configurational outcomes depending on the postcollision momentum vector of the primary knock-on atom. The predicted branching ratio of configurational transformations agrees well with our atomically resolved experiments. This suggests a way for biasing the dynamics toward desired outcomes, paving the road for designing and further upscaling atomic engineering using electron irradiation.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Massachusetts Institute of Technology. Research Laboratory of Electronics
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1126/sciadv.aav2252
