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26 July 2022 Accurate Resistance Measurement of Composite Materials for Flexible Devices
Xingyi Wu, Wenhua Gu, Yutao Yue, Wen Wu
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Proceedings Volume 12278, 2021 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing; 1227808 (2022) https://doi.org/10.1117/12.2616351
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only
Abstract
Composite materials have been widely applied in flexible devices for years. Many researchers focused on the resistance properties of these materials but usually induced or ignored the impact of contact resistances or even Schottky barriers. In this paper, we propose a modified four-contact method to accurately measure the resistivities or sheet resistances of flexible composite materials. By measuring the resistance between each pair of electrodes with different voltage polarities, either ohmic or Schottky resistances can be eliminated through calculation. At the same time, this method is easily integrated into flexible devices, so the actual values of material resistances under pressure can be tested.
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Xingyi Wu, Wenhua Gu, Yutao Yue, and Wen Wu "Accurate Resistance Measurement of Composite Materials for Flexible Devices", Proc. SPIE 12278, 2021 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing, 1227808 (26 July 2022); https://doi.org/10.1117/12.2616351
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KEYWORDS
Resistance
Electrodes
Composites
Carbon
Polymers
Thin films
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