Enhanced piezoelectric property of barium titanate single crystals with engineered domain configurations

Satoshi Wada, Shingo Suzuki, Tatsuo Noma, Takeyuki Suzuki, Minoru Osada, Masato Kakihana, Seung Eek Park, L. Eric Cross, Thomas R. Shrout

Research output: Contribution to journalArticlepeer-review

358 Scopus citations


Piezoelectric properties of barium tilanate single crystals were investigated at room temperature as a function of crystallographic orientation. When a unipolar electric field was applied along [001], its strain vs electric-field curve showed a large hysteresis, and finally barium titanate crystal became to single-domain state with piezoelectric constant d33 of 125 pC/N over 20kV/cm. On the other hand, electric-field exposure below 6 kV/cm along [111] resulted in a high d33 of 203 pC/N and a hysteresis-free strain vs electric-field behavior, which suggested the formation of an engineered domain configuration in a tetragonal barium titanate crystal. Moreover, when an electric field over 6 kV/cm was applied along [111], two discontinuous changes were observed in its strain vs electric-field curve. In situ domain observation and Raman measurement under an electric field suggested an electric-field-induced phase transition from tetragonal to monoclinic at around 10 kV/cm, and that from monoclinic to rhombohedral at around 30 kV/cm. Moreover, in a monoclinic barium titanate crystal, electric-field exposure along [111] resulted in the formation of another new engineered domain configuration with d33 of 295 pC/N.

Original languageEnglish (US)
Pages (from-to)5505-5511
Number of pages7
JournalJapanese Journal of Applied Physics
Issue number9 B
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Physics and Astronomy


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