Electret, piezoelectret, dielectricity and piezoresistivity discovered in exfoliated-graphite-based flexible graphite, with applications in mechanical sensing and electric powering

@article{Xi2019ElectretPD,
  title={Electret, piezoelectret, dielectricity and piezoresistivity discovered in exfoliated-graphite-based flexible graphite, with applications in mechanical sensing and electric powering},
  author={Xiang Xi and D. D. L. Chung},
  journal={Carbon},
  year={2019}
}

Electret behavior discovered in solder, specifically tin–silver

An electret is a permanent electric dipole exhibited by a material. This work provides the first report of the electret behavior of a solder, which is Sn–4Ag in the form of a fluxless unpoled wire of

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