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Updated: Apr 25, 2026

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
Published on: October 31, 2019
Thermally-stable resistive switching with a large ON/OFF ratio achieved in poly(triphenylamine)
Wenbin Zhang1, Cheng Wang, Gang Liu
1Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China. liug@nimte.ac.cn runweili@nimte.ac.cn.
Abstract:
Thermally stable poly(triphenylamine) (PTPA) synthesized by an oxidative coupling reaction is used as the functional layer in memory devices, which exhibit non-volatile bistable resistive switching behavior with a large ON/OFF ratio over 5 × 10(8), a long retention time exceeding 8 × 10(3) s and a wide working temperature range of 30-390 K.
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