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Research Article | Open Access | Just Accepted

High-performance self-rectifying memristor array based on Pt/HfO2/Ta2O5-x/Ti structure for flexible electronics

Shang He1,2,3,§Xiaoyu Ye2,3,§Xiaojian Zhu2,3( )Qing Zhong1Yulin Liu1Gang Li1Rui Liu1Xiaohan Meng2,3Yongguang Xiao1Shaoan Yan4( )Minghua Tang1( )

1 School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China

2 CAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China

3 Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China

4 School of Mechanical Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China

§ Shang He and Xiaoyu Ye contributed equally to this work.

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Abstract

Self-rectifying memristor (SRM) arrays hold tremendous potential in high-density data storage and energy-efficient neuromorphic computing. However, SRM arrays are mostly developed on rigid substrates and lack mechanical flexibility, limiting their applications in intelligent electronic skin and wearable technologies etc. Here, we present a high-performance SRM array based on Pt/HfO2/Ta2O5-x/Ti heterojunctions, which can be fabricated on a flexible polyimides (PI) substrate and demonstrates exceptional memristive performance under bending conditions (R = 1 cm, rectifying ratio >104, retention time >104 s and endurance >105 cycles). We demonstrate a 16×16 flexible memristor array offering noise filtering and data storage capabilities, which can be used to accurately process and store the signals transmitted by a pressure sensor array. This research represents an important advancement towards the realization of next-generation high-performance flexible electronics.

Nano Research
Cite this article:
He S, Ye X, Zhu X, et al. High-performance self-rectifying memristor array based on Pt/HfO2/Ta2O5-x/Ti structure for flexible electronics. Nano Research, 2024, https://doi.org/10.26599/NR.2025.94907085

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Received: 10 August 2024
Revised: 02 October 2024
Accepted: 17 October 2024
Available online: 18 October 2024

© The author(s) 2025

This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits reusers to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the original author(s) and the source, provide a link to the license, and indicate if changes were made.

See https://creativecommons.org/licenses/by/4.0/

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