Inductance–capacitance resonance effect in the magnetoelectric composites characterization system |
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| Authors: | D A Pan X F Wang J J Tian S G Zhang A A Volinsky L J Qiao |
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| Institution: | (1) Automation and Robotics Research Institute, Materials Science and Engineering, The University of Texas, Arlington, TX 76019, USA;(2) Materials Science and Engineering, Virginia Tech, Blacksburg, VA, USA |
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| Abstract: | This paper presents the inductance–capacitance (LC) resonance effect in the magnetoelectric (ME) composites characterization
system. The measured magnetoelectric voltage coefficient is significantly affected by the LC resonance at the electromechanical
resonant frequency, but not at 1 kHz, typically reported in the literature. Decreasing the measuring circuit inductance and/or
capacitance helps to reduce the LC resonance effect. While it is impossible to completely eliminate the coil inductance and
capacitance, they should be accounted for by proper circuit balancing. One can accurately calculate the sample intrinsic ME
voltage coefficient knowing L and C of the measuring circuit. This study is helpful for designing and building the ME characterization systems. |
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