Magnetoimpedance effect of FINEMET ribbons coated with Fe20Ni80 permalloy film

Han, Ye; Xiao, Li; Lv, Wenxing; Xie, Wei; Zhao, Qiang; Zhao, Zhizhong

doi:10.1016/j.jallcom.2016.04.021

Cited by 24 publications

(4 citation statements)

References 23 publications

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“…The presence of another peak in Figure 6 is due to the Cu PCB used as a substrate. The characteristic peak of the angle 2 obtained is also according to research conducted by Han et al which shows that the NiFe permalloy has a peak characteristic at an angle of 2  44.3 with Miller index hkl (111) [20]. This peak result is also under research by Subramanian et…”

Section: Sample Thickness (Nm)supporting

confidence: 73%

Saccharin Dependence of Magnetoimpedance Ratio in Electrodeposited Permalloy Multilayer Structure on Meandered-Copper Printed-Circuit-Board Substrates

Sutomo,

Kusumawardhani,

Yasmin

et al. 2023

Trends Sci

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The effect of saccharin concentration on magnetoimpedance ratio in multilayer permalloy structure i.e., [NiFe/Cu/NiFe]3/Cu/[NiFe/Cu/NiFe]3 on Cu printed circuit board (PCB) meander substrates have been discussed. The multilayer [NiFe/Cu/NiFe]3/Cu/[NiFe/Cu/NiFe]3 structure was prepared by using the electrodeposition method. The results of XRF characterization show that the composition of Ni:Fe is close to the calculation mol ratio permalloy of 80:20. The magnetoimpedance effect is evaluated by total impedance measurement at the various magnetic fields. The typical increase of the magneto-impedance ratio with frequency confirms in this experiment. Here, the magnetoimpedance ratio modifies from 0.07 to 1.63 % for frequency measurements of 20 and 100 kHz, respectively. Finally, the MI ratio monotonically decreases with an increase in additive saccharin concentration. The MI ratio slightly decreases by 17.17 % (=(1.63-1.35)/1.63) for additive saccharin concentration increase of 1 to 2 g/L. Then MI ratio drastically decreases by 40.0 % (=(1.35-0.81)/1.35) in the change of additive saccharin concentration from 2 to 4 g/L. Here, the change in the morphological surface should attribute to the decrease in the MI ratio. HIGHLIGHTS Multilayer [NiFe/Cu/NiFe]3/Cu/[NiFe/Cu/NiFe]3 structure on Cu PCB meander substrates has been successfully fabricated by electrodeposition procedure. The magneto-impedance effect of the multilayer samples has been successfully showed at low frequency of ~kHz order. The saccharine as an additive material for electrodeposition procedure can modify the magneto-impedance effect of the multilayer sample. GRAPHICAL ABSTRACT

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Section: Sample Thickness (Nm)supporting

confidence: 73%

Saccharin Dependence of Magnetoimpedance Ratio in Electrodeposited Permalloy Multilayer Structure on Meandered-Copper Printed-Circuit-Board Substrates

Sutomo,

Kusumawardhani,

Yasmin

et al. 2023

Trends Sci

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“…The XRD spectra for three different confined microstructures (circle, square and hexagon dot arrays) are shown in figure S2. The peaks are all located near 2θ ≈ 44.3 • , which corresponds to the (1 1 1) peak of Fe 20 Ni 80 with the fcc structure [38,39]. The lattice constant is calculated to be 3.54 Å.…”

Section: The Morphology and Magnetic Textures In Confined Microstruct...mentioning

confidence: 90%

Spontaneous nucleation of vortex–antivortex pairs in confined magnetic microstructures

Shen,

Bo,

Zhao

et al. 2023

J. Phys. D: Appl. Phys.

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Vortex–antivortex pairs have shown great potential in spintronics, where they can be used for information storage and logical devices. However, the physical mechanism for the nucleation of vortex–antivortex pairs is still unclear due to its metastability. We report on spontaneous nucleation of vortex–antivortex pairs in patterned Fe20Ni80 films (circular, square, hexagonal islands). By using a complex approach involving micromagnetic simulations, more in-depth understanding of vortex pair nucleation was achieved. A large amount of vortex–antivortex pairs appear in the as-grown magnetic film, which is the unstable high-energy state. Then, vortex and antivortex moves towards each other and annihilate, transforming magnetic structures and lowering the total energy of the system. With the decrease of sizes of microstructures, isolated vortex becomes stabilized due to confinement effect. These results provide a physical view for the nucleation of vortex–antivortex pairs and may be useful for design and optimization of magnetic microstructures for future spintronic applications.

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“…Apart from the aforementioned methods, the giant magnetoimpedance (GMI) effect, defined as large variations in the impedance response of ferromagnetic conductors upon a dc magnetic field, has been widely exploited as a magnetic sensing technology because of its extremely high sensitivity [18][19][20] and also as an effective research tool for magnetic materials [21,22]. GMI is commonly driven in transverse direction (TDMI) with ac driving current directly passing through the sensing material [23], or driven in longitudinal direction (LDMI) by means of involving a coil for sample holding and ac driving current flowing through [24].…”

Section: Introductionmentioning

confidence: 99%

Investigation of dipolar interaction in FINEMET ribbons through longitudinally driven magneto-impedance effect

Pan

Xiao

Zhang

et al. 2018

Journal of Magnetism and Magnetic Materials

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Magnetoimpedance effect of FINEMET ribbons coated with Fe20Ni80 permalloy film

Cited by 24 publications

References 23 publications

Saccharin Dependence of Magnetoimpedance Ratio in Electrodeposited Permalloy Multilayer Structure on Meandered-Copper Printed-Circuit-Board Substrates

Saccharin Dependence of Magnetoimpedance Ratio in Electrodeposited Permalloy Multilayer Structure on Meandered-Copper Printed-Circuit-Board Substrates

Spontaneous nucleation of vortex–antivortex pairs in confined magnetic microstructures

Investigation of dipolar interaction in FINEMET ribbons through longitudinally driven magneto-impedance effect

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