Nature Communications (Jul 2016)

Piezoelectric enhancement under negative pressure

  • Alexander Kvasov,
  • Leo J. McGilly,
  • Jin Wang,
  • Zhiyong Shi,
  • Cosmin S. Sandu,
  • Tomas Sluka,
  • Alexander K. Tagantsev,
  • Nava Setter

DOI
https://doi.org/10.1038/ncomms12136
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

Read online

Recently, negative pressure has been observed in perovskite nanowires by annealing the wires from a lower-density phase. Here, the authors show that the negative pressure enhances the piezoelectric coefficient of PbTiO3 and Pb(Zr,Ti)O3 nanowires experimentally and by ab initiocalculations.