Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses

Highlights Wafer-scale integration of Ag2S-based memristive crossbar arrays was demonstrated using complementary metal–oxide–semiconductor (CMOS) compatible processes below 160 °C. A record-low threshold voltage for filament formation and an ultra-low switching-energy reaching that of biological syn...

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Main Authors: Yuan Zhu, Tomas Nyberg, Leif Nyholm, Daniel Primetzhofer, Xun Shi, Zhen Zhang
Format: Article
Language:English
Published: SpringerOpen 2024-11-01
Series:Nano-Micro Letters
Subjects:
Online Access:https://doi.org/10.1007/s40820-024-01559-2
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author Yuan Zhu
Tomas Nyberg
Leif Nyholm
Daniel Primetzhofer
Xun Shi
Zhen Zhang
author_facet Yuan Zhu
Tomas Nyberg
Leif Nyholm
Daniel Primetzhofer
Xun Shi
Zhen Zhang
author_sort Yuan Zhu
collection DOAJ
description Highlights Wafer-scale integration of Ag2S-based memristive crossbar arrays was demonstrated using complementary metal–oxide–semiconductor (CMOS) compatible processes below 160 °C. A record-low threshold voltage for filament formation and an ultra-low switching-energy reaching that of biological synapses in wafer-scale CMOS-compatible memristive units were achieved. The energy-efficient resistance switching was enabled by self-supply of mobile Ag+ ions in Ag2S electrolytes and low silver-nucleation barrier at Ag/Ag2S interface.
format Article
id doaj-art-bb3527e63f6345a8bfd867bfaf4b77a3
institution Kabale University
issn 2311-6706
2150-5551
language English
publishDate 2024-11-01
publisher SpringerOpen
record_format Article
series Nano-Micro Letters
spelling doaj-art-bb3527e63f6345a8bfd867bfaf4b77a32024-11-24T12:39:35ZengSpringerOpenNano-Micro Letters2311-67062150-55512024-11-0117111210.1007/s40820-024-01559-2Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological SynapsesYuan Zhu0Tomas Nyberg1Leif Nyholm2Daniel Primetzhofer3Xun Shi4Zhen Zhang5Division of Solid-State Electronics, Department of Electrical Engineering, Uppsala UniversityDivision of Solid-State Electronics, Department of Electrical Engineering, Uppsala UniversityDepartment of Chemistry, Uppsala UniversityDepartment of Physics and Astronomy, Uppsala UniversityState Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of SciencesDivision of Solid-State Electronics, Department of Electrical Engineering, Uppsala UniversityHighlights Wafer-scale integration of Ag2S-based memristive crossbar arrays was demonstrated using complementary metal–oxide–semiconductor (CMOS) compatible processes below 160 °C. A record-low threshold voltage for filament formation and an ultra-low switching-energy reaching that of biological synapses in wafer-scale CMOS-compatible memristive units were achieved. The energy-efficient resistance switching was enabled by self-supply of mobile Ag+ ions in Ag2S electrolytes and low silver-nucleation barrier at Ag/Ag2S interface.https://doi.org/10.1007/s40820-024-01559-2Wafer-scale Ag2S filmsReactive sputterSilver nucleationAg+ migrationEnergy-efficient neuromorphic computing
spellingShingle Yuan Zhu
Tomas Nyberg
Leif Nyholm
Daniel Primetzhofer
Xun Shi
Zhen Zhang
Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
Nano-Micro Letters
Wafer-scale Ag2S films
Reactive sputter
Silver nucleation
Ag+ migration
Energy-efficient neuromorphic computing
title Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
title_full Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
title_fullStr Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
title_full_unstemmed Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
title_short Wafer-Scale Ag2S-Based Memristive Crossbar Arrays with Ultra-Low Switching-Energies Reaching Biological Synapses
title_sort wafer scale ag2s based memristive crossbar arrays with ultra low switching energies reaching biological synapses
topic Wafer-scale Ag2S films
Reactive sputter
Silver nucleation
Ag+ migration
Energy-efficient neuromorphic computing
url https://doi.org/10.1007/s40820-024-01559-2
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AT leifnyholm waferscaleag2sbasedmemristivecrossbararrayswithultralowswitchingenergiesreachingbiologicalsynapses
AT danielprimetzhofer waferscaleag2sbasedmemristivecrossbararrayswithultralowswitchingenergiesreachingbiologicalsynapses
AT xunshi waferscaleag2sbasedmemristivecrossbararrayswithultralowswitchingenergiesreachingbiologicalsynapses
AT zhenzhang waferscaleag2sbasedmemristivecrossbararrayswithultralowswitchingenergiesreachingbiologicalsynapses