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High-sensitivity accelerometer composed of ultra-long vertically aligned barium titanate nanowire arrays

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Listed:
  • Aneesh Koka

    (University of Florida)

  • Henry A. Sodano

    (University of Florida
    University of Florida)

Abstract

A configuration that shows great promise in sensing applications is vertically aligned piezoelectric nanowire arrays that allow facile interfacing with electrical interconnects. Nano-electromechanical systems developed using piezoelectric nanowires have gained interest primarily for their potential in energy harvesting applications, because they are able to convert several different sources of mechanical energy into useful electrical power. To date, no results have demonstrated the capability to use aligned piezoelectric nanowire arrays as a highly accurate nano-electromechanical system based dynamic sensor with a wide operating bandwidth and unity coherence. Here we report the growth of vertically aligned (~45 μm long) barium titanate nanowire arrays, realized through a two-step hydrothermal synthesis approach, and demonstrate their use as an accurate accelerometer. High sensitivity of up to 50 mV g−1 is observed from the sensor composed of vertically aligned barium titanate nanowire arrays, thus providing performance comparable to many of the commercial accelerometer systems.

Suggested Citation

  • Aneesh Koka & Henry A. Sodano, 2013. "High-sensitivity accelerometer composed of ultra-long vertically aligned barium titanate nanowire arrays," Nature Communications, Nature, vol. 4(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3682
    DOI: 10.1038/ncomms3682
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    Cited by:

    1. Gyoung-Ja Lee & Won-Ju Hwang & Jin-Ju Park & Min-Ku Lee, 2019. "Study of Sensitive Parameters on the Sensor Performance of a Compression-Type Piezoelectric Accelerometer Based on the Meta-Model," Energies, MDPI, vol. 12(7), pages 1-11, April.
    2. Chong Li & Xinxin Liao & Zhi-Ke Peng & Guang Meng & Qingbo He, 2023. "Highly sensitive and broadband meta-mechanoreceptor via mechanical frequency-division multiplexing," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Pengfei Xu & Dazhi Wang & Jianqiao He & Yichang Cui & Liangkun Lu & Yikang Li & Xiangji Chen & Chang Liu & Liujia Suo & Tongqun Ren & Tiesheng Wang & Yan Cui, 2024. "A zinc oxide resonant nano-accelerometer with ultra-high sensitivity," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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