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 language | English |
|---|---|
| Article number | 012132 |
| Journal | Journal of Physics: Conference Series |
| Volume | 476 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2013 |
| Externally published | Yes |
| Event | 13th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications, PowerMEMS 2013 - London, United Kingdom Duration: 3 Dec 2013 → 6 Dec 2013 |
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