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TiO<sub>2</sub> Nanowire Array Memristive Devices Emulating Functionalities of Biological Synapses

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TiO2 Nanowire Array Memristive Devices Emulating Functionalities of Biological Synapses

Type of Publication: Journal article
Publication status: Published
URI (citable link): http://nbn-resolving.de/urn:nbn:de:bsz:352-2-1iy0ng5oea6ic4
Author: Ebenhoch, Carola; Schmidt-Mende, Lukas
Year of publication: 2021
Published in: Advanced Electronic Materials ; 7 (2021), 2. - 2000950. - Wiley. - ISSN 2199-160X. - eISSN 2199-160X
DOI (citable link): https://dx.doi.org/10.1002/aelm.202000950
Summary:
Memristors are deemed to be the electrical twin to biological synapses. They enable emulation of human memory functionalities such as learning, memorizing, and forgetting. The present hydrothermally grown titanium dioxide nanowire array memristive devices have shown to be able to mimic synaptic behaviors. As well as spike‐rate dependent plasticity, excitatory postsynaptic currents, and paired pulse facilitation, high endurance, and on/off ratios for the nanowire arrays are presented. Decay fitting of postsynaptic currents with Kohlrausch's equation shows lifetimes of few milliseconds up to several hundred seconds, offering the possibility of a short‐term to long‐term memory transition. Furthermore, a strong dependence of the lifetime of the signals on the frequency and amplitude of the stimulation pulses is observed.
Subject (DDC): 530 Physics
Link to License: Attribution-NonCommercial 4.0 International
Bibliography of Konstanz: Yes
Refereed: No

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EBENHOCH, Carola, Lukas SCHMIDT-MENDE, 2021. TiO2 Nanowire Array Memristive Devices Emulating Functionalities of Biological Synapses. In: Advanced Electronic Materials. Wiley. 7(2), 2000950. ISSN 2199-160X. eISSN 2199-160X. Available under: doi: 10.1002/aelm.202000950

@article{Ebenhoch2021-02Nanow-52303, title={TiO2 Nanowire Array Memristive Devices Emulating Functionalities of Biological Synapses}, year={2021}, doi={10.1002/aelm.202000950}, number={2}, volume={7}, issn={2199-160X}, journal={Advanced Electronic Materials}, author={Ebenhoch, Carola and Schmidt-Mende, Lukas}, note={Article Number: 2000950} }

Schmidt-Mende, Lukas 2021-01-07T10:26:34Z eng 2021-01-07T10:26:34Z TiO<sub>2</sub> Nanowire Array Memristive Devices Emulating Functionalities of Biological Synapses 2021-02 Attribution-NonCommercial 4.0 International Ebenhoch, Carola Ebenhoch, Carola Memristors are deemed to be the electrical twin to biological synapses. They enable emulation of human memory functionalities such as learning, memorizing, and forgetting. The present hydrothermally grown titanium dioxide nanowire array memristive devices have shown to be able to mimic synaptic behaviors. As well as spike‐rate dependent plasticity, excitatory postsynaptic currents, and paired pulse facilitation, high endurance, and on/off ratios for the nanowire arrays are presented. Decay fitting of postsynaptic currents with Kohlrausch's equation shows lifetimes of few milliseconds up to several hundred seconds, offering the possibility of a short‐term to long‐term memory transition. Furthermore, a strong dependence of the lifetime of the signals on the frequency and amplitude of the stimulation pulses is observed. Schmidt-Mende, Lukas

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