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Title: Enhancing the matrix addressing of flexible sensory arrays by a highly nonlinear threshold switch
Authors: Wang, Ming
Wang, Wei
Leow, Wan Ru
Wan, Changjin
Chen, Geng
Zeng, Yi
Yu, Jiancan
Liu, Yaqing
Cai, Pingqiang
Wang, Hong
Ielmini, Daniele
Chen, Xiaodong
Keywords: Engineering::Materials
Issue Date: 2018
Source: Wang, M., Wang, W., Leow, W. R., Wan, C., Chen, G., Zeng, Y., . . ., Chen, X. (2018). Enhancing the matrix addressing of flexible sensory arrays by a highly nonlinear threshold switch. Advanced materials, 30(33), 1802516-. doi:10.1002/adma.201802516
Journal: Advanced materials 
Abstract: The increasing need for smart systems in healthcare, wearable, and soft robotics is creating demand for low-power sensory circuits that can detect pressure, temperature, strain, and other local variables. Among the most critical requirements, the matrix circuitry to address the individual sensor device must be sensitive, immune to disturbances, and flexible within a high-density sensory array. Here, a strategy is reported to enhance the matrix addressing of a fully integrated flexible sensory array with an improvement of 108 fold in the maximum readout value of impedance by a bidirectional threshold switch. The threshold switch shows high flexibility (bendable to a radius of about 1 mm) and a high nonlinearity of ≈1010 by using a nanocontact structure strategy, which is revealed and validated by molecular dynamics simulations and experiments at variable mechanical stress. Such a flexible electronic switch enables a new generation of large-scale flexible and stretchable electronic and optoelectronic systems.
ISSN: 0935-9648
DOI: 10.1002/adma.201802516
Schools: School of Materials Science & Engineering 
Rights: © 2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. This paper was published in Advanced materials and is made available with permission of WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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