基于 Metglas/Pb(Zr,Ti)O₃ 纤维层压板的磁电弯曲模式结构。
Magnetoelectric bending-mode structure based on Metglas/Pb(Zr,Ti)O₃ fiber laminates.
机构信息
Materials Science and Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.
出版信息
IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Aug;58(8):1545-9. doi: 10.1109/TUFFC.2011.1981.
A magnetoelectric (ME) bending-mode structure based on Metglas/Pb(Zr,Ti)O(3) fiber laminates has been studied. This bending mode had a fundamental resonance (FBR) of about 210 Hz, which was much lower than that of the longitudinal mode. Near the FBR, the ME voltage coefficient was about 400 V/cm·Oe. Magnetic sensors based on this bending mode had an equivalent magnetic noise floor of ≤ 0.3 pT/√Hz at f = 210 Hz.
研究了一种基于 Metglas/Pb(Zr,Ti)O(3)纤维层压板的磁电（ME）弯曲模式结构。这种弯曲模式的基频共振（FBR）约为 210 Hz，远低于纵模的共振频率。在 FBR 附近，ME 电压系数约为 400 V/cm·Oe。基于这种弯曲模式的磁传感器在 f = 210 Hz 时的等效磁噪声基底≤ 0.3 pT/√Hz。
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