Nature Communications (Apr 2021)

Giant gauge factor of Van der Waals material based strain sensors

  • Wenjie Yan,
  • Huei-Ru Fuh,
  • Yanhui Lv,
  • Ke-Qiu Chen,
  • Tsung-Yin Tsai,
  • Yuh-Renn Wu,
  • Tung-Ho Shieh,
  • Kuan-Ming Hung,
  • Juncheng Li,
  • Duan Zhang,
  • Cormac Ó Coileáin,
  • Sunil K. Arora,
  • Zhi Wang,
  • Zhaotan Jiang,
  • Ching-Ray Chang,
  • Han-Chun Wu

DOI
https://doi.org/10.1038/s41467-021-22316-8
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 9

Abstract

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The Gauge factor (GF) enhancement in strain sensors remains a key challenge. Here the authors leverage the piezoelectric and photoelectric effects in a class of van der Waals materials to tune the GF, and obtain a record GF up to 3933 for a SnS2-based strain sensor.