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Sensors 2011, 11(3), 2809-2844;

Theory, Instrumentation and Applications of Magnetoelastic Resonance Sensors: A Review

KMG2 Sensors Corporation, 430 Bailey Lane, Boalsburg, PA 16827, USA
Department of Physics, Indian Institute of Technology Madras, Chennai 600036, India
Materials Research Institute, Pennsylvania State University, University Park, PA 16802, USA
State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
Author to whom correspondence should be addressed.
Received: 10 January 2011 / Revised: 10 February 2011 / Accepted: 14 February 2011 / Published: 2 March 2011
(This article belongs to the Special Issue 10 Years Sensors - A Decade of Publishing)
Full-Text   |   PDF [5167 KB, uploaded 21 June 2014]


Thick-film magnetoelastic sensors vibrate mechanically in response to a time varying magnetic excitation field. The mechanical vibrations of the magnetostrictive magnetoelastic material launch, in turn, a magnetic field by which the sensor can be monitored. Magnetic field telemetry enables contact-less, remote-query operation that has enabled many practical uses of the sensor platform. This paper builds upon a review paper we published in Sensors in 2002 (Grimes, C.A.; et al. Sensors 2002, 2, 294-313), presenting a comprehensive review on the theory, operating principles, instrumentation and key applications of magnetoelastic sensing technology. View Full-Text
Keywords: magnetoelastic; sensor; magnetostrictive; coagulation; remote query; wireless magnetoelastic; sensor; magnetostrictive; coagulation; remote query; wireless
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Grimes, C.A.; Roy, S.C.; Rani, S.; Cai, Q. Theory, Instrumentation and Applications of Magnetoelastic Resonance Sensors: A Review. Sensors 2011, 11, 2809-2844.

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