First report of the ferroelectric behavior of a metal, as shown for solder

@article{Yang2021FirstRO,
  title={First report of the ferroelectric behavior of a metal, as shown for solder},
  author={Wenyi Yang and D. D. L. Chung},
  journal={Journal of Materials Science: Materials in Electronics},
  year={2021},
  volume={32},
  pages={16979 - 16989}
}
  • Wenyi Yang, D. Chung
  • Published 29 May 2021
  • Physics
  • Journal of Materials Science: Materials in Electronics
Ferroelectric behavior is well known for nonconductive dielectrics. This work provides the first report of this behavior in a metal, specifically a solder (Sn–4Ag), which is highly conductive. As required for ferroelectric behavior, the polarization changes sign when the applied electric field changes sign. The curve of polarization vs. electric field over positive and negative values of the electric field is asymmetric, with the forward polarization being greater than the subsequent reverse… 
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