期刊
JOURNAL OF APPLIED PHYSICS
卷 113, 期 20, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4804959
关键词
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资金
- National Research Foundation of Korea (NRF)
- Korean government (MEST) [2012R1A1A2A10041947, 2011-001095]
- Converging Research Center Program [2012K001435]
Magnetoelectric (ME) rectangular unimorph cantilever beam structures of piezoelectric Pb(Mg1/3Nb2/3)O-3-Pb(Zr,Ti)O-3 (PMN-PZT) single crystal on magnetostrictive Ni plate was designed with < 001 > and < 011 >-cut crystallographic directions and investigated their ME response and mechanical vibration based energy harvesting behavior. Both magnetoelectric (ME) voltage coefficient (alpha(ME)) and mechanically harvested power output was found to be strongly dependent on the crystallographic cut directions of PMN-PZT single crystals. The maximum alpha(ME) and power output of 7.28 V/cm Oe and 1.31 mW was observed for < 011 > PMN-PZT/i unimorph ME structure at resonance mode under 0.7 G acceleration. The < 011 > PMN-PZT single crystal showed that in-plane anisotropic behavior, i.e., d(31) and d(32) significantly affect to the magnitude of alpha(ME) and harvested power output. (C) 2013 AIP Publishing LLC.
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