Soft magnetic properties and giant magneto-impedance effect of Fe-Zr-Nb-B-Cu ribbons

He, Jun; Guo, Haojie; Shen, Baogen; He, Kun; Hu, Jifan

doi:10.1088/0953-8984/11/21/311

Cited by 6 publications

(2 citation statements)

References 14 publications

(13 reference statements)

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“…15,16 The obtained coercivity (H c ) of FIN-1 sample in the heattreated state of 500 C is greater than the as-quenched state, which is a consequence of stress relaxation induced earlier during the rapid solidification technique. The decrease in H c value for T a > 500 C of both these alloys can be attributed to the nucleation of soft magnetic Fe 3 Si phase.…”

Section: B Electrical and Magnetic Propertiesmentioning

confidence: 98%

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Sahoo

Mishra

Srinivas

et al. 2011

Journal of Applied Physics

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Giant magnetoimpedance effect in ultrasoft FeAlSiBCuNb nanocomposites for sensor applications J. Appl. Phys. 98, 014316 (2005); 10.1063/1.1953864 Valve behavior of giant magnetoimpedance in field-annealed Co 70 Fe 5 Si 15 Nb 2.2 Cu 0.8 B 7 amorphous ribbon nanocomposite materials consisting of nanocrystalline phase in an amorphous matrix were obtained by heat-treatment of their precursor amorphous ribbons. The influence of structural modifications induced during the heat-treatment on soft magnetic properties and magnetoimpedance (MI) effect have been studied. The structural investigations on both these ribbons revealed the presence of two phases, fine grained Fe 3 Si phase and a residual amorphous phase on heat-treatment. The maximum MI ratio obtained in the present study is 95% at f ¼ 4 MHz, for the optimized heat-treated Fe 77.2 Si 11.2 Cu 0.8 Nb 3.3 B 7.5 ribbon. This is ascribed to the increase in magnetic permeability and decrease in coercive force and intrinsic resistivity. Moreover, a maximum magnetic field sensitivity (n) of 8.3%/Oe at f ¼ 2.5 MHz is obtained, for the optimized nanocrystalline Fe 73.5 Si 13.5 Cu 1 Nb 3 B 9 ribbon. This suggests that tailoring of the nanocrystalline microstructures induced by optimum heat-treatment conditions can result in obtaining excellent combinations of the magnetic permeability and resistivity. Our results indicate that these Fe-based nanocrystalline materials can be ideally used for low magnetic field and high frequency sensor applications.

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Section: B Electrical and Magnetic Propertiesmentioning

confidence: 98%

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Sahoo

Mishra

Srinivas

et al. 2011

Journal of Applied Physics

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“…This effect consists of the change of real and imaginary parts of impedance at the presence of static magnetic fields. The GMI effect is seen in materials having soft magnetic properties, low resistivity and small magnetostriction [3]. Therefore, the amorphous phase of magnetic alloys can be good candidates for GMI applications.…”

mentioning

confidence: 99%

Giant magnetoimpedance effect of ac‐dc Joule annealed electroplated NiFe/Cu composite wires

Ghanaatshoar

Azad

Banitaba

et al. 2011

Phys. Status Solidi C

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In this article, we investigate the influence of ac‐dc Joule annealing of NiFe microtubes on their giant magnetoimpedance effect. NiFe magnetic layers were electroplated onto 100‐μm‐diameter copper wires and then submitted to dc or ac‐dc current annealing for 8 minutes. Both annealing and cooling down processes were performed in argon atmosphere. Results show that the presence of ac part of Joule treatment leads to higher induced anisotropy and increases the MI ratio. It is conjectured that the ac component through wall movement and moment fluctuation increases the tendency of the magnetic domains to lie circumferentially. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Giant magnetoimpedence effects in micro‐patterned Co₅₂Fe₃₂B₁₁Si₅ amorphous ribbons

Chun

Han

Kim

et al. 2007

Physica Status Solidi (a)

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We report the giant magnetoimpedence (GMI) effect in Co52Fe32B11Si5 amorphous ribbon micro‐patterned using photolithography and wet etching process. The effects of AC frequency and amplitude on GMI characteristics are investigated in our micro‐patterned GMI devices. Furthermore, it is shown that thickness of patterned ribbon plays a significant role on the GMI behaviour and response condition of AC frequency and amplitude. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Soft magnetic properties and giant magneto-impedance effect of Fe-Zr-Nb-B-Cu ribbons

Cited by 6 publications

References 14 publications

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Giant magnetoimpedance effect of ac‐dc Joule annealed electroplated NiFe/Cu composite wires

Giant magnetoimpedence effects in micro‐patterned Co₅₂Fe₃₂B₁₁Si₅ amorphous ribbons

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Soft magnetic properties and giant magneto-impedance effect of Fe-Zr-Nb-B-Cu ribbons

Cited by 6 publications

References 14 publications

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Enhanced magnetoimpedance and field sensitivity in microstructure controlled FeSiCuNbB ribbons

Giant magnetoimpedance effect of ac‐dc Joule annealed electroplated NiFe/Cu composite wires

Giant magnetoimpedence effects in micro‐patterned Co52Fe32B11Si5 amorphous ribbons

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Giant magnetoimpedence effects in micro‐patterned Co₅₂Fe₃₂B₁₁Si₅ amorphous ribbons