为了改善NbO
x
Mott忆阻器电学稳定性和一致性,提升NbO
x
Mott忆阻器构建人工脉冲神经元的应用潜力,研究制备了通孔型NbO
x
Mott忆阻器,并对比研究了Pt、W电极材料对器件稳定性和一致性的影响。研究结果表明,相较于常见报道的Pt电极器件,采用W电极的NbO
x
Mott忆阻器表现出了更为优越的稳定性和一致性。此外,利用NbO
x
Mott忆阻器搭建了振荡电路,成功实现了人工脉冲神经元的功能。基于W电极NbO
x
Mott忆阻器的人工脉冲神经元可以稳定振荡时间超过10~6 s
循环耐久性可达10
12
次以上,其振荡波形的幅度及频率稳定性远好于基于Pt电极的人工脉冲神经元。进一步的XPS结果显示,在基于W电极的NbO
x
Mott忆阻器中,W和NbO
x
界面生成了一层致密的WO
x
层,有效地阻挡了氧空位在NbO
x
材料中的迁移。相比之下,基于Pt电极的NbO
x
Mott忆阻器因Pt层存在大量晶界且对氧空位有较强的吸附作用,导致在电激活和阈值阻变过程中氧空位发生跳动,从而降低了器件的电学稳定性。该研究为提升NbO
x
Mott忆阻器的稳定性和一致性提供了新的途径,有望推动其在脉冲型神经形态计算系统中的产业化应用。
Liu Hefei,Qin Yuan,Chen HungYu,Wu Jiangbin,Ma Jiahui,Du Zhonghao,Wang Nan,Zou Jingyi,Lin Sen,Zhang Xu,Zhang Yuhao,Wang Han.Artificial Neuronal Devices Based on Emerging Materials: Neuronal Dynamics and Applications.[J].Advanced materials (Deerfield Beach, Fla.),2023.
Han Chuan Yu,Han Zheng Rong,Fang Sheng Li,Fan Shi Quan,Yin Jun Qing,Liu Wei Hua,Li Xin,Yang Shi Qiang,Zhang Guo He,Wang Xiao Li,Geng Li.Characterization and Modelling of Flexible VO2 Mott Memristor for the Artificial Spiking Warm Receptor[J].Advanced Materials Interfaces,2022.
Kumar Suhas,Wang Xinxin,Strachan John Paul,Yang Yuchao,Lu Wei D..Dynamical memristors for higher-complexity neuromorphic computing[J].Nature Reviews Materials,2022.
Li Fanfan,Wang Rui,Song Chunyan,Zhao Momo,Ren Huihui,Wang Saisai,Liang Kun,Li Dingwei,Ma Xiaohua,Zhu Bowen,Wang Hong,Hao Yue.A Skin-Inspired Artificial Mechanoreceptor for Tactile Enhancement and Integration.[J].ACS nano,2021.
Zhao Xiaohu,Chen Ao,Ji Jie,Wu Dingjun,Gan Yi,Wang Cong,Ma Guokun,Lin Chih Yang,Lin Chun Chu,Liu Nengfan,Wan Houzhao,Tao Li,Wang Baoyuan,Chang Ting Chang,Wang Hao.Ultrahigh Uniformity and Stability in NbOx-Based Selector for 3-D Memory by Using Ru Electrode[J].IEEE TRANSACTIONS ON ELECTRON DEVICES,2021(5).
Aziz Jamal,Kim Honggyun,Rehman Shania,Khan Muhammad Farooq,Kim DeokKee.Chemical Nature of Electrode and the Switching Response of RF-Sputtered NbOx Films.[J].Nanomaterials (Basel, Switzerland),2020.
Huang HeMing,Wang Zhe,Wang Tong,Xiao Yu,Guo Xin.Artificial Neural Networks Based on Memristive Devices: From Device to System[J].Advanced Intelligent Systems,2020.
Zhang Xumeng,Zhuo Ye,Luo Qing,Wu Zuheng,Midya Rivu,Wang Zhongrui,Song Wenhao,Wang Rui,Upadhyay Navnidhi K,Fang Yilin,Kiani Fatemeh,Rao Mingyi,Yang Yang,Xia Qiangfei,Liu Qi,Liu Ming,Yang J Joshua.An artificial spiking afferent nerve based on Mott memristors for neurorobotics.[J].Nature communications,2020.
Purdue University, West Lafayette, IN, USA. kaushik@purdue.edu.,Purdue University, West Lafayette, IN, USA.,Purdue University, West Lafayette, IN, USA..Towards spike-based machine intelligence with neuromorphic computing.[J].Nature,2019.
State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan P. R. China,State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan P. R. China,State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan P. R. China.Memristive Synapses and Neurons for Bioinspired Computing[J].Advanced Electronic Materials,2019.
Woo Jiyong,Wang Panni,Yu Shimeng.Integrated Crossbar Array With Resistive Synapses and Oscillation Neurons[J].IEEE Electron Device Letters,2019.
Navnidhi K. Upadhyay,Hao Jiang,Zhongrui Wang,Shiva Asapu,Qiangfei Xia,J. Joshua Yang.Emerging Memory Devices for Neuromorphic Computing[J].Advanced Materials Technologies,2019.
Chen Ao,Ma Guokun,He Yuli,Chen Qin,Liu Chunlei,Wang Hao,Chang Ting Chang.Research on Temperature Effect in Insulator–Metal Transition Selector Based on NbOx Thin Films[J].IEEE Transactions on Electron Devices,2018.
Gao Ligang,Chen Pai Yu,Yu Shimeng.NbOx based oscillation neuron for neuromorphic computing[J].Applied Physics Letters,2017.
Pablo Stoliar,Julien Tranchant,Benoit Corraze,Etienne Janod,Marie‐Paule Besland,Federico Tesler,Marcelo Rozenberg,Laurent Cario.A Leaky‐Integrate‐and‐Fire Neuron Analog Realized with a Mott Insulator[J].Advanced Functional Materials,2017.
Xinjun Liu,Shuai Li,Sanjoy Kumar Nandi,Dinesh Kumar Venkatachalam,Robert Glen Elliman.Threshold switching and electrical self-oscillation in niobium oxide films[J].Journal of Applied Physics,2016.
Li, Shuai,Liu, Xinjun,Nandi, Sanjoy Kumar,Venkatachalam, Dinesh Kumar,Elliman, Robert Glen.High-endurance megahertz electrical self-oscillation in Ti/NbOx bilayer structures[J].Applied physics letters,2015.
Liu, X.,Sadaf, S. Md.,Park, S.,Kim, S.,Cha, E.,Lee, D.,Jung, G.-Y.,Hwang, H..Complementary Resistive Switching in Niobium Oxide-Based Resistive Memory Devices[J].IEEE Electron Device Letters,2013.
Giacomo eIndiveri,Bernabe eLinares-Barranco,Tara Julia Hamilton,André evan Schaik,Ralph eEtienne-Cummings,Tobi eDelbruck,Shih-Chii eLiu,Piotr eDudek,Philipp eHäfliger,Sylvie eRenaud,Johannes eSchemmel,Gert eCauwenberghs,John eArthur,Kai eHynna,Fopefolu eFolowosele,Sylvain eSAÏGHI,Teresa eSerrano-Gotarredona,Jayawan eWijekoon,Yingxue eWang,Kwabena eBoahen.Neuromorphic silicon neuron circuits[J].Frontiers in Neuroscience,2011.
Wan Shen,Regina Dittmann,Uwe Breuer,Rainer Waser.Improved endurance behavior of resistive switching in (Ba,Sr)TiO3 thin films with W top electrode[J].Applied Physics Letters,2008.
游钧淇,李策,杨栋梁,孙林锋.氧化物双介质层忆阻器的设计及应用[J].无机材料学报,2023(04).
万青.神经形态器件及其类脑计算应用[J].无机材料学报,2023(04).
李策,杨栋梁,孙林锋.基于二维层状材料的神经形态器件研究进展[J].物理学报,2022(21).
温新宇,王亚赛,何毓辉,缪向水.忆阻类脑计算[J].物理学报,2022(14).
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