Electret behavior of unpoled carbon fiber with and without nickel coating

@article{Xi2020ElectretBO,
  title={Electret behavior of unpoled carbon fiber with and without nickel coating},
  author={Xiang Xi and D. D. L. Chung},
  journal={Carbon},
  year={2020},
  volume={159},
  pages={122-132}
}

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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