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Issue 8, 2014
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Strain sensors based on chromium nanoparticle arrays

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High sensitivity strain sensors have been fabricated by depositing chromium (Cr) nanoparticles between silver interdigital electrodes coated on the substrate of a flexible plastic material like polyethylene terephthalate. A gas phase cluster beam deposition system was used for the preparation of the nanoparticle arrays with a well-defined conductance. We demonstrate that the conductance of the nanoparticle arrays is dominated by the quantum transport between the closely spaced nanoparticles. Compared to the traditional metallic foil or semiconductor strain sensors, this kind of strain sensor demonstrates both a higher gauge factor, which can be as large as the order of 100, and a wider dynamic range, with a workable maximum applied strain beyond 3%.

Graphical abstract: Strain sensors based on chromium nanoparticle arrays

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Publication details

The article was received on 06 Aug 2013, accepted on 31 Aug 2013 and first published on 05 Sep 2013

Article type: Paper
DOI: 10.1039/C3NR04135B
Nanoscale, 2014,6, 3930-3933

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    Strain sensors based on chromium nanoparticle arrays

    M. Zheng, W. Li, M. Xu, N. Xu, P. Chen, M. Han and B. Xie, Nanoscale, 2014, 6, 3930
    DOI: 10.1039/C3NR04135B

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