首页|Nanofluidic memristor based on the elastic deformation of nanopores with nanoparticle adsorption

Nanofluidic memristor based on the elastic deformation of nanopores with nanoparticle adsorption

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The memristor is the building block of neuromorphic computing.We report a new type of nanofluidic memristor based on the principle of elastic strain on polymer nanopores.With nanoparticles absorbed at the wall of a single conical polymer nanopore,we find a pinched hysteresis of the current within a scanning frequency range of 0.01-0.1 Hz,switching to a diode below 0.01 Hz and a resistor above 0.1 Hz.We attribute the current hysteresis to the elastic strain at the tip side of the nanopore,caused by electrical force on the particles adsorbed at the inner wall surface.Our simulation and analytical equations match well with experimental results,with a phase diagram for predicting the system transitions.We demonstrate the plasticity of our nanofluidic memristor to be similar to a biological synapse.Our findings pave a new way for ionic neuromorphic computing using nanofluidic memristors.

nanofluidicsmemristorneurocomputingelastic deformation

Xi Zhou、Yuanyuan Zong、Yongchang Wang、Miao Sun、Deli Shi、Wei Wang、Guanghua Du、Yanbo Xie

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Department of Chemistry and Chemical Engineering,Northwestern Polytechnical University,Xi'an 710072,China

School of Physical Science and Technology,Northwestern Polytechnical University,Xi'an 710072,China

School of Aeronautics and Institute of Extreme Mechanics,Northwestern Polytechnical University,Xi'an 710072,China

Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China

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国家自然科学基金国家自然科学基金

1224120112075191

2024

10.1093/nsr/nwad216

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ISSN：
年,卷(期)：2024.11(4)
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