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Electro-shape-memory effect in Mn-doped (Pb, Sr)TiO3 ceramics

  • Xi'an Jiaotong University
  • National Institute for Materials Science Tsukuba

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Electric-field-induced strain behavior of 0.5 mol% Mn-doped (Pb0.4, Sr0.6)TiO3 ceramics was studied in this paper. Through utilizing a new mechanism, which is point-defect-mediated domain switching, a double hysteresis and relatively large recoverable strain of 0.1% at 3000 V/mm were obtained from the samples after aging at room temperature. This behavior can be considered as a new kind of shape memory effect due to the reversibility and the 'digital-like' jump in electrostrain, which is controlled by electric field. The present result suggests that utilizing domain-switching can be a new way to improve the performance of the electrostrain effect of Pb-based ceramics.

Original languageEnglish
Pages (from-to)176-180
Number of pages5
JournalMaterials Science and Engineering: A
Volume438-440
Issue numberSPEC. ISS.
DOIs
StatePublished - 25 Nov 2006

Keywords

  • (Pb, Sr)TiO
  • Electro-shape-memory
  • Electrostrain
  • Ferroelectrics
  • Point-defect symmetry

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