Related Experiment Video
Updated: May 31, 2025
08:07
Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
Published on: March 9, 2019
7.7K
Multifunctional Artificial Electric Synapse of MoSe2-Based Memristor toward Neuromorphic Application
Yumo Li1, Hao Sun1, Langchun Yue1
1Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China.
The Journal of Physical Chemistry Letters
|January 23, 2025
Summary
This study showcases a novel MoSe2 memristor acting as an artificial synapse, demonstrating brain-like functions for advanced artificial intelligence. The device exhibits stable switching and various synaptic plasticity behaviors, enabling neuromorphic computing applications.
Area of Science:
- Materials Science
- Neuroscience
- Computer Science
Background:
- Biological synapses are crucial for brain functions like parallel processing and information storage.
- Memristive devices offer potential for mimicking synaptic behaviors to advance artificial intelligence (AI).
Purpose of the Study:
- To demonstrate an artificial electric synapse using a novel memristor.
- To investigate its synaptic plasticity and neuromorphic computing capabilities.
Main Methods:
- Fabrication of a one-step Mo-selenized MoSe2 memristor.
- Characterization of resistive switching properties (reset voltage, on/off ratio, retention).
- Evaluation of synaptic behaviors: multilevel conductance, EPSC, PPF, LTP/LTD, STDP, and ADSP.
Main Results:
- The MoSe2 memristor exhibited stable resistive switching (reset 0.51 ± 0.01 V, on/off ratio > 30, retention > 10^3 s).
- Demonstrated diverse, electrically tunable synaptic behaviors including multilevel conductance, EPSC, PPF, LTP/LTD, STDP, and ADSP.
- Successfully achieved neuromorphic functions: image edge extraction and biological perception imitation.
Conclusions:
- The developed MoSe2 memristor serves as a promising artificial synapse.
- This device advances neuromorphic systems with integrated brain-like neural sensing, memory, and recognition capabilities.
