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

Z. M. Wu; Zhenjie Zhao; X. L. Yang; L. Jiang; Junyong Kang; Shuping Li; K. Huang

doi:10.1117/1.3094747

1 April 2009 Magnetoelastic resonance enhancement of giant magnetoimpedance effect for Fe-based nanocrystalline alloy

Z. M. Wu, Zhenjie Zhao, X. L. Yang, L. Jiang, Junyong Kang, Shuping Li, K. Huang

Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 8, Issue 2, 021150 (April 2009). https://doi.org/10.1117/1.3094747

Abstract

Longitudinally driven giant magnetoimpedance (GMI) effect has been measured in Fe_73.5Cu₁Nb₃Si_13.5B₉ 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 1.0 cm in length annealed at 480°C, the maximum MI ratio of 10 906% was achieved at the frequency of 214 kHz. 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.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Z. M. Wu, Zhenjie Zhao, X. L. Yang, L. Jiang, Junyong Kang, Shuping Li, and K. Huang "Magnetoelastic resonance enhancement of giant magnetoimpedance effect for Fe-based nanocrystalline alloy," Journal of Micro/Nanolithography, MEMS, and MOEMS 8(2), 021150 (1 April 2009). https://doi.org/10.1117/1.3094747

Published: 1 April 2009

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