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The authors have modeled magnetoelectric (ME) laminate sensor units by considering both the ME laminate and detection circuitry. Theory predicts and experiments confirm that the signal-to-noise ratio increases with increasing frequency in the low frequency range. Our findings provide useful insights into ME sensitivity estimation and “real-world” low frequency magnetic anomaly detection by ME sensors.
Published in:
Applied Physics Letters
(Volume:91
,
Issue:
14
)
Date of Publication: Oct 2007