Abstract
We present a frequency multiplication in Metglas/Pb(Zr,Ti)O3 (PZT) magnetoelectric (ME) composites which can be tuned by geomagnetic field. Such effect was observed under small dc magnetic biases, and can be operated over a broad frequency range. Moreover, the geomagnetic field can serve as the “ON–OFF” switch for control of the frequency multiplication in ME composites. Thus, a guidance device could be developed to lock onto the direction with largest component of Earth’s field.
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