Magnetoimpedance Effect in Field Annealed (FeNi)_{78}Nb_{7}B_{15} Amorphous and Nanocrystalline Bilayer Ribbons

• Authors: M. Varga , J. Marcin , M. Capik , D. Janičkovič , P. Švec , I. Škorvánek
• Languages of publication: EN

Abstracts

EN

The influence of the magnetic field annealing on the magnetoimpedance effect has been investigated in rapidly quenched (Fe_{0.5}Ni_{0.5})_{78}Nb_{7}B_{15} monolayer and bilayer thin ribbons. The highest impedance ratio value (ΔZ/Z)_{max}=72% and the maximum field sensitivity η_{max}=12 %/Oe was obtained in the bilayer ribbon, annealed under longitudinal magnetic field at 773 K that exhibited nanocrystalline structure. The higher values of (ΔZ/Z)_{max} in bilayer ribbons, as compared to their monolayer counterparts, are attributed to the increased ratio of their thickness to the penetration depth.

Keywords

EN

75.50.Kj; 75.50.Tt; 75.60.Nt; 43.58.Bh

Discipline

• 75.50.Tt: Fine-particle systems; nanocrystalline materials
• 75.60.Nt: Magnetic annealing and temperature-hysteresis effects
• 75.50.Kj: Amorphous and quasicrystalline magnetic materials

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 1
• Pages: 122-123

Dates

published

2014-07

Contributors

author

M. Varga

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia

author

J. Marcin

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia

author

M. Capik

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia

author

D. Janičkovič

• Institute of Physics SAS, Dúbravska cesta 9, 845 11 Bratislava, Slovakia

author

P. Švec

• Institute of Physics SAS, Dúbravska cesta 9, 845 11 Bratislava, Slovakia

author

I. Škorvánek

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Košice, Slovakia

References

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Identifiers

DOI

10.12693/APhysPolA.126.122