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.
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Nano Research
Available online: 18 October 2024
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