Electrical switching of Ising-superconducting nonreciprocity for quantum neuronal transistor

Junlin Xiong, Jiao Xie, Bin Cheng (), Yudi Dai, Xinyu Cui, Lizheng Wang, Zenglin Liu, Ji Zhou, Naizhou Wang, Xianghan Xu, Xianhui Chen, Sang-Wook Cheong, Shi-Jun Liang () and Feng Miao ()
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Junlin Xiong: Nanjing University
Jiao Xie: Nanjing University
Bin Cheng: Nanjing University of Science and Technology
Yudi Dai: Nanjing University
Xinyu Cui: Nanjing University
Lizheng Wang: Nanjing University
Zenglin Liu: Nanjing University
Ji Zhou: Nanjing University
Naizhou Wang: University of Science and Technology of China
Xianghan Xu: The State University of New Jersey
Xianhui Chen: University of Science and Technology of China
Sang-Wook Cheong: The State University of New Jersey
Shi-Jun Liang: Nanjing University
Feng Miao: Nanjing University

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Nonreciprocal quantum transport effect is mainly governed by the symmetry breaking of the material systems and is gaining extensive attention in condensed matter physics. Realizing electrical switching of the polarity of the nonreciprocal transport without external magnetic field is essential to the development of nonreciprocal quantum devices. However, electrical switching of superconducting nonreciprocity remains yet to be achieved. Here, we report the observation of field-free electrical switching of nonreciprocal Ising superconductivity in Fe3GeTe2/NbSe2 van der Waals (vdW) heterostructure. By taking advantage of this electrically switchable superconducting nonreciprocity, we demonstrate a proof-of-concept nonreciprocal quantum neuronal transistor, which allows for implementing the XOR logic gate and faithfully emulating biological functionality of a cortical neuron in the brain. Our work provides a promising pathway to realize field-free and electrically switchable nonreciprocity of quantum transport and demonstrate its potential in exploring neuromorphic quantum devices with both functionality and performance beyond the traditional devices.

Date: 2024
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DOI: 10.1038/s41467-024-48882-1

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