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Influence of bipolar pulse poling technique for piezoelectric vibration energy harvesters using Pb(Zr,Ti)O3 films on 200 mm SOI wafers

  • N. Moriwaki
  • , T. Kobayashi
  • , Y. Suzuki
  • , N. Makimoto
  • , K. Fujimoto
  • , K. Suzuki
  • , T. Itoh
  • , R. Maeda
  • Dai Nippon Printing Co., Ltd.
  • NMEMS Technology Research Organization
  • Ibaraki University
  • National Institute of Advanced Industrial Science and Technology

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Piezoelectric vibration energy harvester arrays using Pb(Zr,Ti)O 3 thin films on 200 mm SOI wafers were fabricated. In-plane distribution of influence of bipolar pulse poling technique on direct current (DC) power output from the harvesters was investigated. The results indicate that combination poling treatment of DC and bipolar pulse poling increases a piezoelectric property and reduces a dielectric constant. It means that this poling technique improves the figure of merit of sensors and harvesters. Maximum DC power from a harvester treated by DC poling after bipolar pulse poling is about five times larger than a one treated by DC poling only.

Original languageEnglish
Article number012132
JournalJournal of Physics: Conference Series
Volume476
Issue number1
DOIs
StatePublished - 2013
Externally publishedYes
Event13th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications, PowerMEMS 2013 - London, United Kingdom
Duration: 3 Dec 20136 Dec 2013

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