2D BDiode – A switchable bidirectional diode for analog electronic circuits fabricated entirely from 2D materials

Christian D. Matthus; Phanish Chava; Kenji Watanabe; Takashi Taniguchi; Thomas Mikolajick; Artur Erbe

doi:10.1016/j.mne.2024.100246

Article 2D BDiode – A switchable bidirectional diode for analog electronic circuits fabricated entirely from 2D materials

Christian D. Matthus ; Phanish Chava ; Kenji Watanabe (National Institute for Materials Science) ; Takashi Taniguchi (National Institute for Materials Science) ; Thomas Mikolajick ; Artur Erbe

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Christian D. Matthus, Phanish Chava, Kenji Watanabe, Takashi Taniguchi, Thomas Mikolajick, Artur Erbe. 2D BDiode – A switchable bidirectional diode for analog electronic circuits fabricated entirely from 2D materials. Micro and Nano Engineering. 2024, 23 (), 100246. https://doi.org/10.1016/j.mne.2024.100246

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The advent of two-dimensional (2D) materials has led to innovative and com- pact electronic devices with remarkable properties. In this work, we introduce a switchable bidirectional diode (2D BDiode), fabricated entirely using dif- ferent 2D materials, that serves as a fundamental building block for various analog circuit applications. This proof-of-concept diode exhibits the ability to control the flow of current in both forward and reverse bias configura- tions, enabling advanced functionality in the realm of analog circuit design. We provide a SPICE-based model for the diode based on current-voltage device characterization, capturing its behavior under different biasing con- ditions, and finally demonstrate a few potential use cases of the 2D BDiode including AC/DC conversion, DC/AC conversion and charge pump circuits.

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