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1.Yingjun Sang and Xueliang Huang, “A Vibration-Based Hybrid Energy Harvester for Wireless Sensor Systems,” IEEE Transactions on Magnetics 48(11), 4495-4498 (2012).
2.Mohd Fauzi, Ab Rahman1, Swee Leong, and Kok2, Hybrid Vibration Energy Harvester Based On Piezoelectric and Electromagnetic Transduction Mechanism, Clean Energy and Technology (CEAT, 2013), pp. 243-247.
3.Shunong Jiang and Shaohua Guo, “Performance analysis for a unimorph cantilever piezoelectric harvester,” Journal of Vibration and Shark 31(19), 90-94 (2012).
4.J. C. Park, S. Khym, and J. Y. Parka, “Micro-fabricated lead zirconate titanate bent cantilever energy harvester with multi-dimensional operation,” Applied Physics Letters 102, 043901 (2013).
5.R. Elfrink and T.M. Kamel, “Vibration energy harvesting with aluminum nitride-based piezoelectric devices,” J. Micromech. Microeng 19, 094005 (2009) (8pp).
6.P.D. Mitcheson and E.M. Yeatman, “Energy Harvesting From Human and Machine Motion for Wireless Electronic Devices,” Proceedings of the IEEE 96, 1457-1486 (2008).
7.Jianxiang Liu and Renwen Chen, “Current situation and developing trend of piezoelectric vibration energy harvester,” Journal of Vibration and Shock 31(16), 170-176 (2012).
8.Lokesh Dhakara and b Huicong Liua, “A new energy harvester design for high power output at low frequencies,” Sensors and Actuators A 199, 344-352 (2013).
9.Gang Tong, Research on MEMS energy harvester based on piezoelectric thick film [D] (Shanghai Jiao Tong University..01, 2013), pp.5.
10.Po-Cheng Huang, Tung-Hsiang Tsai, and Yao-Joe Yang, “Wide-bandwidth piezoelectric energy harvester integrated with parylene-C beam structures,” Microelectronic Engineering 111, 214219 (2013).

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This work presents a novel vibration piezoelectric energy harvester, which is a micro piezoelectric cantilever with multi-beam. The characteristics of the PZT (Pb(ZrTi)O) thin film were measured; XRD (X-ray diffraction) pattern and AFM (Atomic Force Microscope) image of the PZT thin film were measured, and show that the PZT (Pb(ZrTi)O) thin film is highly (110) crystal oriented; the leakage current is maintained in nA magnitude, the residual polarisation Pr is 37.037 μC/cm2, the coercive field voltage Ec is 27.083 kV/cm, and the piezoelectric constant d is 28 pC/N. In order to test the dynamic performance of the energy harvester, a new measuring system was set up. The maximum output voltage of the single beam of the multi-beam can achieve 80.78 mV under an acceleration of 1 g at 260 Hz of frequency; the maximum output voltage of the single beam of the multi-beam is almost 20 mV at 1400 Hz frequency. 


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