2D crystalline acceptors towards extreme control of charge

Kenneth Burch

doi:10.1117/12.2680653

5 October 2023 2D crystalline acceptors towards extreme control of charge

Kenneth Burch

Proceedings Volume PC12651, Low-Dimensional Materials and Devices 2023; PC126510C (2023) https://doi.org/10.1117/12.2680653
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

Two-dimensional (2d) nano-electronics, plasmonics, and spintronics require clean and local charge control, calling for layered, crystalline acceptors or donors. Here I will describe how the Relativistic Mott Insulating state of RuCl3, a 2D antiferromagnet, provides a new opportunity to introduce modulation doping into 2D materials. Specifically, we demonstrate and optimize this charge transfer with extensive Raman, photovoltage, and electrical conductance measurements combined with ab initio calculations. Also, we find the doping is exceptionally local, can occur through hBN, and works with various exfoliated, CVD, and MBE materials. Lastly, I will provide evidence that this doping is quite distinct from what is possible in typical MBE heterostructures and can provide doping levels compatible with ionic liquids without the disorder.

Conference Presentation

Citation Download Citation

Kenneth Burch "2D crystalline acceptors towards extreme control of charge", Proc. SPIE PC12651, Low-Dimensional Materials and Devices 2023, PC126510C (5 October 2023); https://doi.org/10.1117/12.2680653

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