Abstract

The magnetoelectric (ME) effect in a planar amorphous ferromagnet–piezoelectric lead zirconate titanate (PZT) composite structure can be effectively excited by passing alternating current through the magnetic layer. The absence of demagnetizing (stray) field and the orientation of the exciting magnetic field perpendicular to the constant field allow this structure to generate the even harmonics of electric field with efficiency several times that for the ME effect produced by volume coils. It is established that the second harmonic amplitude is proportional to the piezomagnetic coefficient of the magnetic layer and the square amplitude of current and inversely proportional to the bias magnetic field.

中文翻译：

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通过磁层的电流有效激励铁磁-压电结构中的磁电电压谐波

摘要

通过使交流电流过磁性层，可以有效地激发平面非晶铁磁体-压电锆钛酸铅（PZT）复合结构中的磁电效应。由于不存在去磁（杂散）场和垂直于恒定场的励磁磁场的定向，因此该结构可以有效地产生电场的偶次谐波，其效率是体积线圈产生的ME效应的几倍。已经确定，二次谐波幅度与磁性层的压电系数和电流的平方幅度成比例，并且与偏置磁场成反比。