Type
Conference PaperAuthors
Li, Bodong
Kosel, Jürgen

KAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering Program
Sensing, Magnetism and Microsystems Lab
Date
2013-06Permanent link to this record
http://hdl.handle.net/10754/564753
Metadata
Show full item recordAbstract
A passive, magnetic field sensor consisting of a 425 MHz surface acoustic wave (SAW) transponder loaded with a giant magnetoimpedance (GMI) element is developed. The transponder, consisting of two interdigital transducers (IDTs) and the GMI element, a multilayer structure composed of Ni80Fe 20/Cu/Ni80Fe20, are fabricated on a 128° Y-X cut LiNbO3 substrate. The integrated sensor is characterized with a network analyzer through an S-parameter measurement. Upon the application of a magnetic field, a maximum amplitude change and phase shift of 2.7 dB and 20 degree, respectively, are observed. Within the linear region, the magnetic sensitivity is 3870 dB/T and the resolution is 1.3 μT. © 2013 IEEE.Citation
Li, B., & Kosel, J. (2013). A thin film passive magnetic field sensor operated at 425 MHz. 2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII). doi:10.1109/transducers.2013.6626804Conference/Event name
2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013ISBN
9781467359818ae974a485f413a2113503eed53cd6c53
10.1109/Transducers.2013.6626804