Atomic Control of Charge

Two-dimensional nanoelectronics, plasmonics, and emergent phases require clean and local charge control. A collaboration led by Boston College Professor Kenneth Burch reported a new means at achieving control of charge in single atomic layers. As reported in their recent Nano Letters article, “Modulation Doping via a Two-Dimensional Atomic Crystalline Acceptor”,  they demonstrate RuCl3 can effective soak charge from an array of other materials. They further provide evidence this works even when separated by insulating layers of hBN. Their discovery will enable emergent quantum phases, nanoscale electronic, photonics and optoelectronic devices.

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