Infinite anisotropy of the piezoeffect in PbTiO3-based ferroceramic

E. A. Dul’kin, L. I. Grebenkina, D. I. Makar’ev, A. N. Klevtsov, V. G. Gavrilyachenko

Research output: Contribution to journalArticlepeer-review

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Acoustic emission, dilatometry, and optical microscopy were used to study the polarization of PKR-70 PbTiO3 ferroceramic samples. It was established that in an electric field higher than 2.5 kV/mm the piezoeffect in the samples acquires an infinite anisotropy, accompanied by acoustic-emission and dilatometric anomalies. It is shown that this anisotropy of the piezoeffect is caused by microcracking of the samples in the direction of the polarizing field.

Original languageAmerican English
Pages (from-to)894-895
Number of pages2
JournalTechnical Physics Letters
Issue number11
StatePublished - Nov 1999
Externally publishedYes


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