Special Section on Theory and Practice of MEMS/NEMS/MOEMS, RF MEMS, and BioMEMS

Magnetoelastic resonance enhancement of giant magnetoimpedance effect for Fe-based nanocrystalline alloy

[+] Author Affiliations
Zhiming Wu

Xiamen University, Department of Physics, Key Laboratory of Semiconductors and Applications, Xiamen 361005, China and East China Normal University, Department of Physics, Shanghai 200062, China

Zhenjie Zhao, Xielong Yang, Ling Jiang

East China Normal University, Department of Physics, Shanghai 200062, China

Junyong Kang, Shuping Li, Kai Huang

Xiamen University, Department of Physics, Key Laboratory of Semiconductors and Applications, Xiamen 361005, China

J. Micro/Nanolith. MEMS MOEMS. 8(2), 021150 (April 02, 2009). doi:10.1117/1.3094747
History: Received August 09, 2008; Accepted November 20, 2008; Published April 02, 2009
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Longitudinally driven giant magnetoimpedance (GMI) effect has been measured in Fe73.5Cu1Nb3Si13.5B9 ribbons, and the enhancement of GMI effect using magnetoelastic resonance was investigated. The results showed that at a certain driven frequency when magnetoelastic resonance occurred, there was a great enhancement of the impedance of the element and MI effect. For the ribbon of 1.0cm in length annealed at 480°C, the maximum MI ratio of 10 906% was achieved at the frequency of 214kHz. The maximum sensitivity reached up to 5 155%/Oe, which was almost 40 times higher than that observed in traditional MI measurements. The results demonstrated that the enhanced magnitude of MI effect mainly depended on magnetoelastic coupling coefficient k.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Zhiming Wu ; Zhenjie Zhao ; Xielong Yang ; Ling Jiang ; Junyong Kang, et al.
"Magnetoelastic resonance enhancement of giant magnetoimpedance effect for Fe-based nanocrystalline alloy", J. Micro/Nanolith. MEMS MOEMS. 8(2), 021150 (April 02, 2009). ; http://dx.doi.org/10.1117/1.3094747


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