Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array

J. Park, S. M. Reddy, Bethanie J Stadler, A. B. Flatau

Research output: Contribution to conferencePaper

Abstract

We have demonstrated bioinspired pressure sensing based on our proof-of-concept device utilizing magnetostrictive nanowires (NWs) as artificial cilia. In this research, the pressure sensing system was fabricated with vertically aligned Fe-Ga/Cu multilayered NW array that were placed over a giant magnetoresistance (GMR) magnetic field sensor. Applications of an external force on the array were applied to bend the NWs. The resulting mechanical-magneto transduction produced rotation of magnetization in the NWs and corresponding changes in magnitude of stray fields from the NWs were detected by the GMR sensor. The approach presents generic and flexible strategies for development of a pressure sensing devices with high resolution.

Original languageEnglish (US)
StatePublished - Dec 1 2012
Event23rd International Conference on Adaptive Structures and Technologies, ICAST 2012 - Nanjing, China
Duration: Oct 11 2012Oct 13 2012

Other

Other23rd International Conference on Adaptive Structures and Technologies, ICAST 2012
CountryChina
CityNanjing
Period10/11/1210/13/12

Fingerprint

Nanowires
Giant magnetoresistance
Magnetostrictive devices
Sensors
Magnetization
Magnetic fields

Cite this

Park, J., Reddy, S. M., Stadler, B. J., & Flatau, A. B. (2012). Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array. Paper presented at 23rd International Conference on Adaptive Structures and Technologies, ICAST 2012, Nanjing, China.

Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array. / Park, J.; Reddy, S. M.; Stadler, Bethanie J; Flatau, A. B.

2012. Paper presented at 23rd International Conference on Adaptive Structures and Technologies, ICAST 2012, Nanjing, China.

Research output: Contribution to conferencePaper

Park, J, Reddy, SM, Stadler, BJ & Flatau, AB 2012, 'Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array', Paper presented at 23rd International Conference on Adaptive Structures and Technologies, ICAST 2012, Nanjing, China, 10/11/12 - 10/13/12.
Park J, Reddy SM, Stadler BJ, Flatau AB. Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array. 2012. Paper presented at 23rd International Conference on Adaptive Structures and Technologies, ICAST 2012, Nanjing, China.
Park, J. ; Reddy, S. M. ; Stadler, Bethanie J ; Flatau, A. B. / Development of bioinspired pressure sensing using magnetostrictive Fe-Ga/Cu nanowire array. Paper presented at 23rd International Conference on Adaptive Structures and Technologies, ICAST 2012, Nanjing, China.
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