Biological spiking synapse constructed from solution processed bimetal core–shell nanoparticle based composites

Zhou, L. et al. (2018) Biological spiking synapse constructed from solution processed bimetal core–shell nanoparticle based composites. Small, 14(28), 1800288. (doi: 10.1002/smll.201800288) (PMID:29806246)

Full text not currently available from Enlighten.


Inspired by the highly parallel processing power and low energy consumption of the biological nervous system, the development of a neuromorphic computing paradigm to mimic brain-like behaviors with electronic components based artificial synapses may play key roles to eliminate the von Neumann bottleneck. Random resistive access memory (RRAM) is suitable for artificial synapse due to its tunable bidirectional switching behavior. In this work, a biological spiking synapse is developed with solution processed Au@Ag core-shell nanoparticle (NP)-based RRAM. The device shows highly controllable bistable resistive switching behavior due to the favorable Ag ions migration and filament formation in the composite film, and the good charge trapping and transport property of Au@Ag NPs. Moreover, comprehensive synaptic functions of biosynapse including paired-pulse depression, paired-pulse facilitation, post-tetanic potentiation, spike-time-dependent plasticity, and the transformation from short-term plasticity to long-term plasticity are emulated. This work demonstrates that the solution processed bimetal core-shell nanoparticle-based biological spiking synapse provides great potential for the further creation of a neuromorphic computing system.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Vellaisamy, Professor Roy
Authors: Zhou, L., Mao, J.-Y., Ren, Y., Yang, J.-Q., Zhang, S.-R., Zhou, Y., Liao, Q., Zeng, Y.-J., Shan, H., Xu, Z., Fu, J., Wang, Y., Chen, X., Lv, Z., Han, S.-T., and Roy, V. A. L.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Small
ISSN (Online):1613-6829
Published Online:27 May 2018
Related URLs:

University Staff: Request a correction | Enlighten Editors: Update this record