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Mazur T, Zawal P, Szaciłowski K. Synaptic plasticity, metaplasticity and memory effects in hybrid organic-inorganic bismuth-based materials. Nanoscale. 2019;11(3):1080-1090doi: 10.1039/c8nr09413f.
Mazur, T., Zawal, P., & Szaciłowski, K. (2019). Synaptic plasticity, metaplasticity and memory effects in hybrid organic-inorganic bismuth-based materials. Nanoscale, 11(3), 1080-1090. https://doi.org/10.1039/c8nr09413f
Mazur, Tomasz, et al. "Synaptic plasticity, metaplasticity and memory effects in hybrid organic-inorganic bismuth-based materials." Nanoscale vol. 11,3 (2019): 1080-1090. doi: https://doi.org/10.1039/c8nr09413f
Mazur T, Zawal P, Szaciłowski K. Synaptic plasticity, metaplasticity and memory effects in hybrid organic-inorganic bismuth-based materials. Nanoscale. 2019 Jan 17;11(3):1080-1090. doi: 10.1039/c8nr09413f. PMID: 30574642.
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Nanoscale. 2019 Jan 17;11(3):1080-1090. doi: 10.1039/c8nr09413f.

Synaptic plasticity, metaplasticity and memory effects in hybrid organic-inorganic bismuth-based materials.

Nanoscale

Tomasz Mazur, Piotr Zawal, Konrad Szaciłowski

Affiliations

  1. Academic Centre for Materials and Nanotechnology AGH University of Science and Technology al. A. Mickiewicza 30, 30-059 Kraków, Poland. [email protected] [email protected] [email protected].

PMID: 30574642 DOI: 10.1039/c8nr09413f

Abstract

Since the discovery of memristors, their application in computing systems utilizing multivalued logic and a neuromimetic approach is of great interest. A thin film device made of methylammonium bismuth iodide exhibits a wide variety of neuromorphic effects simultaneously, and is thus able to mimic synaptic behaviour and learning phenomena. Standard learning protocols, such as spike-timing dependent plasticity and spike-rate dependent plasticity might be further modulated via metaplasticity in order to amplify or alter changes in the synaptic weight. Moreover, transfer of information from short-term to long-term memory is observed. These effects show that the diversity of functions of memristive devices can be strongly affected by the pre-treatment of the sample. Modulation of the resistive switching amplitude is of great importance for the application of memristive elements in computational applications, as additional sub-states might be utilized in multi-valued logic systems and metaplasticity and memory consolidation will contribute to the development of more efficient bioinspired computational schemes.

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