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  • Enhanced-high-frequency-magneto-impedance-response-of-melt-extracted-Co69-25Fe4-25Si13B13-5-microwires-subject-to-Joule-annealing_2016_Journal-of-Scie.pdf.jpg
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  • Enhanced high-frequency magneto-impedance response of melt-extracted Co69.25Fe4.25Si13B13.5microwires subject to Joule annealing

    • Authors: O. Thiabgoh; H. Shen; T. Eggers; A. Galati; S. Jiang; J.S. Liu; Z.Li; J.F. Sun; H. Srikanth; M.H. Phan (2016)

  • We report an enhancement of low-field, high-frequency magneto-impedance (MI) response and circumferential domain structures of melt-extracted amorphous Co69.25Fe4.25Si13B13.5microwires by dc Joule annealing. The current amplitudes of 5 mA, 10 mA, and 20 mA were applied to amorphous microwires for different time treatments. The magnetic field dependence of impedance and circumfer-ential domain structure of the microwires were explored using an impedance analyzer over a high frequency range (20 MHze1000 MHz) and magnetic force microscopy (MFM), respectively. Conse-quently, the optimum value of 5 mA current for 20 min markedly improved the MI ratio up to 610% (1.7 times of 380% from t...

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Browsing by Author Z.Li

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 1 of 1
  • Enhanced-high-frequency-magneto-impedance-response-of-melt-extracted-Co69-25Fe4-25Si13B13-5-microwires-subject-to-Joule-annealing_2016_Journal-of-Scie.pdf.jpg
  • Article

  • Enhanced high-frequency magneto-impedance response of melt-extracted Co69.25Fe4.25Si13B13.5microwires subject to Joule annealing

    • Authors: O. Thiabgoh; H. Shen; T. Eggers; A. Galati; S. Jiang; J.S. Liu; Z.Li; J.F. Sun; H. Srikanth; M.H. Phan (2016)

  • We report an enhancement of low-field, high-frequency magneto-impedance (MI) response and circumferential domain structures of melt-extracted amorphous Co69.25Fe4.25Si13B13.5microwires by dc Joule annealing. The current amplitudes of 5 mA, 10 mA, and 20 mA were applied to amorphous microwires for different time treatments. The magnetic field dependence of impedance and circumfer-ential domain structure of the microwires were explored using an impedance analyzer over a high frequency range (20 MHze1000 MHz) and magnetic force microscopy (MFM), respectively. Conse-quently, the optimum value of 5 mA current for 20 min markedly improved the MI ratio up to 610% (1.7 times of 380% from t...