Passively-powered wireless micromachined quartz magnetoflexoelastic magnetometer

Paul Nordeen, Gregory P. Carman, Eugene Freeman, Gokhan Hatipoglu, Srinivas Tadigadapa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


Highly sensitive, wirelessly powered, and maintenance-free sensors are of great interest to the biomedical, geological, hazardous environment, and traffic control communities. This work demonstrates the passively-powered wireless operation of a magnetoflexoelastic magnetometer. The wireless coupling is achieved using a coupled near-field resonant loop antennas, which excite the high Q-factor (∼6000) micromachined quartz resonator. Magnetostrictive curves are acquired both wired and wirelessly at distances up to 45 mm to confirm the phenomenon is magnetoflexoelastic in nature. A 49.1 Hz/Oe sensitivity was achieved in wireless operation and the ultimate detectable limit was 7 μΤ at 0.5 Hz.

Original languageEnglish (US)
Title of host publicationIEEE Sensors, SENSORS 2016 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982875
StatePublished - Jan 5 2016
Event15th IEEE Sensors Conference, SENSORS 2016 - Orlando, United States
Duration: Oct 30 2016Nov 2 2016

Publication series

NameProceedings of IEEE Sensors
ISSN (Print)1930-0395
ISSN (Electronic)2168-9229


Other15th IEEE Sensors Conference, SENSORS 2016
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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