“Monomorph actuators” using semiconductive ferroelectrics

Kenji Uchino, Mikihiko Yoshizaki, Kiyoshi Kasai, Hiroshi Yamamura, Naomichi Sakai, Hiroshi Asakura

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


A new type of bending actuator, “monomorph”, is proposed by using a single plate of semiconductive piezoelectric ceramics. The principle of bending originates from the nonuniform distribution of the electric field in a single plate caused by the semiconductor-metal electrode contact. Monomorph characteristics are exemplified in lead zirconate based and barium titanate ceramics. A bend curvature comparable to that of conventional piezoelectric “bimorphs” can be obtained.

Original languageEnglish (US)
Pages (from-to)1046-1049
Number of pages4
JournalJapanese Journal of Applied Physics
Issue number7R
StatePublished - Jul 1987

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Physics and Astronomy


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