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Electrical properties of PMN-PZT film on silicon lens

  • Huazhong University of Science and Technology
  • Chinese Academy of Sciences

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A polycrystalline PMN-PZT film with a composition close to the morphotropic phase boundary (MPB) and a thickness of approximately 2 μm was successfully prepared on a silicon lens using the sol-gel method. This film exhibited excellent dielectric, ferroelectric, and piezoelectric behavior. A dielectric constant (εr) of 1756 at 1 kHz, a remnant polarization (Pr) of 22 μC/cm2, and an effective piezoelectric coefficient (d33,f) of 150 pm/V were obtained, indicating that PMN-PZT film on silicon lens is a promising candidate for tightly focused ultra-high ultrasound transducer applications.

Original languageEnglish
Pages (from-to)4243-4247
Number of pages5
JournalCeramics International
Volume41
Issue number3
DOIs
StatePublished - 1 Apr 2015

Keywords

  • PMN-PZT film
  • Silicon lens
  • Ultrahigh frequency ultrasound

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