AI Summary

Scientists are using mixed monolayer doping (MMLD) to control dopant concentration at the silicon surface, a critical factor for ultrashallow junctions and nanoscale devices. MMLD mixes dopant‑containing molecules with nondopant molecules on the silicon surface. This surface‑chemistry approach allows researchers to tune how much dopant is available before the material undergoes thermal diffusion. The technique offers a way to precisely engineer dopant profiles in advanced semiconductor devices.

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