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Micro Magnetic Field Sensor Based On Terfenol-D/PZT/Terfenol-D Magnetoelectric Composites

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Abstract:

A new type of magnetic sensor based on magnetoelectric(ME) composites has been designed and fabricated. The ME composites has a Terfenol-D/PZT/Terfenol-D structure and its ME coefficient is 0.36 V/cm Oe at room temperture. The sensor has AC magnetic measurement ranges from 0.02 Oe to 12 Oe, reaches a sensitivity of 5×10-3 Oe and has a flat response within 15 kHz. The sensor is equipped with a pre-amplifier and an Root Mean Square(RMS) value convertor.

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Periodical:

Key Engineering Materials (Volume 483)

Pages:

190-194

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.483.190

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Online since:

June 2011

Authors:

Yang Zheng, Dan Xie, Jing Ma, Tian Ling Ren, Li Tian Liu

Keywords:

Magnetic Sensor, ME Composites, PZT, Tefernol-D

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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