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Engineering single-atom dynamics with electron irradiation
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DOI：10.1126/sciadv.aav2252.png)
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摘要
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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.
Keyword:
NITROGEN-DOPED GRAPHENE
ENERGY
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期刊
IF:
12.5
论文数:
2.1W
被引数:
18.1W
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