Magnetoimpedance of CoFeCrSiB Ribbon-Based Sensitive Element with FeNi Covering: Experiment and Modeling

Volchkov, S. O.; Pasynkova, A. A.; Derevyanko, M. S.; Bukreev, D. A.; Kozlov, N. V.; Svalov, A. V.; Semirov, A. V.

doi:10.3390/s21206728

Cited by 17 publications

(9 citation statements)

References 62 publications

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“…A possible alternative to address this challenge is the use of flexible materials without substrates, such as amorphous ribbons or even ribbon-based composites [ 37 , 38 ]. For instance, previously, a number of studies were devoted to the design of GMI composites consisting of rapidly quenched magnetic ribbons, with thin-film coverings deposited by sputtering deposition [ 39 , 40 ]. For sensor applications, flexible properties related to the change of shape are requested together with soft magnetic properties.…”

Section: Introductionmentioning

confidence: 99%

Anomalous Nernst Effect in Flexible Co-Based Amorphous Ribbons

Corrêa

Ferreira

Souza

et al. 2023

Sensors

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Fe3Co67Cr3Si15B12 ribbons with a high degree of flexibility and excellent corrosion stability were produced by rapid quenching technique. Their structural, magnetic, and thermomagnetic (Anomalous Nernst Effect) properties were studied both in an as-quenched (NR) state and after stress annealing during 1 h at the temperature of 350∘C and a specific load of 230 MPa (AR). X-ray diffraction was used to verify the structural characteristics of our ribbons. Static magnetic properties were explored by inductive technique and vibrating sample magnetometry. The thermomagnetic curves investigated through the Anomalous Nernst Effect are consistent with the obtained magnetization results, presenting a linear response in the thermomagnetic signal, an interesting feature for sensor applications. Additionally, Anomalous Nernst Effect coefficient SANE values of 2.66μV/K and 1.93μV/K were estimated for the as-quenched and annealed ribbons, respectively. The interplay of the low magnetostrictive properties, soft magnetic behavior, linearity of the thermomagnetic response, and flexibility of these ribbons place them as promising systems to probe curved surfaces and propose multifunctional devices, including magnetic field-specialized sensors.

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Section: Introductionmentioning

confidence: 99%

Anomalous Nernst Effect in Flexible Co-Based Amorphous Ribbons

Corrêa

Ferreira

Souza

et al. 2023

Sensors

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“…They introduced ribbon-based prototypes suitable for magnetic biosensing both in label-free and magnetic label detection regimes [12,13]. In the latter, the corrosion stability was very important and compositions with chromium or molybdenum [14][15][16] were considered to take account of the need for low or high corrosion. For the CoFeCrSiB composition, the best results were obtained after stress annealing, and a sensitivity with respect to the applied field of the order of 200%/Oe was achieved [17].…”

Section: Introductionmentioning

confidence: 99%

Amorphous FeCoCrSiB Ribbons with Tailored Anisotropy for the Development of Magnetic Elements for High Frequency Applications

et al. 2022

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The ferromagnetic resonance (FMR) in the frequency range of 0.5 to 12.5 GHz has been investigated as a function of external magnetic field for rapidly quenched Fe3Co67Cr3Si15B12 amorphous ribbons with different features of the effective magnetic anisotropy. Three states of the ribbons were considered: as-quenched without any treatment; after relaxation annealing without stress at the temperature of 350 °C during 1 h; and after annealing under specific stress of 230 MPa at the temperature of 350 °C during 1 h. For FMR measurements, we adapted a technique previously proposed and tested for the case of microwires. Here, amorphous ribbons were studied using the sample holder based on a commercial SMA connector. On the basis of the measurements of the reflection coefficient S11, the total impedance including its real and imaginary components was determined to be in the frequency range of 0.5 to 12.5 GHz. In order to confirm the validity of the proposed technique, FMR was also measured by the certified cavity perturbation technique using a commercial Bruker spectrometer operating at X-band frequency of 9.39 GHz. As part of the characterization of the ribbons used for microwave measurements, comparative analysis was performed of X-ray diffraction, optical microscopy, transmission electron microscopy, inductive magnetic hysteresis loops, vibrating sample magnetometry, magneto-optical Kerr effect (including magnetic domains) and magnetoimpedance data for of all samples .

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“…In all cases, the experimental data taken in the frequency domain are shown to exactly reproduce the magnetic properties obtained from measurements done in the time domain. A similar check is made on a macroscopic magnetic material, an extra-soft amorphous ferromagnetic ribbon of prospective use in sensing devices for biomedical applications based on the giant magnetoimpedance effect [50]. Even in this case the proposed method of conversion is fully satisfactory, showing that the results obtained in this paper have general validity and can be applied in principle to magnetic materials of all types and sizes.…”

Section: Introductionmentioning

confidence: 59%

From spectral analysis to hysteresis loops: a breakthrough in the optimization of magnetic nanomaterials for bioapplications

Barrera

Tiberto

2023

J. Phys. Mater.

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An innovative method is proposed to determine the most important magnetic properties of bioapplication-oriented magnetic nanomaterials exploiting the connection between hysteresis loop and frequency spectrum of magnetization. Owing to conceptual and practical simplicity, the method may result in a substantial advance in the optimization of magnetic nanomaterials for use in precision medicine. The techniques of frequency analysis of the magnetization currently applied to nanomaterials both in vitro and in vivo usually give a limited, qualitative picture of the effects of the active biological environment on magnetic tracers, and have to be complemented by direct measurement of the hysteresis loop. We show that the very same techniques can be used to convey all the information needed by present-day biomedical applications without the necessity of doing conventional magnetic measurements in the same experimental conditions. The spectral harmonics obtained analyzing the response of a magnetic tracer in frequency, as in Magnetic Particle Spectroscopy/Imaging (MPS/MPI), are demonstrated to lead to a precise reconstruction of the hysteresis loop, whose most important parameters (loop's area, magnetic remanence and coercive field) are directly obtained through transformation formulas based on simple manipulation of the harmonics amplitudes and phases.The validity of the method is experimentally verified on various magnetic nanomaterials for bioapplications submitted to ac magnetic fields of different amplitude, frequency and waveshape. In all cases, the experimental data taken in the frequency domain exactly reproduce the magnetic properties obtained from conventional magnetic measurements.

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Magnetoimpedance of CoFeCrSiB Ribbon-Based Sensitive Element with FeNi Covering: Experiment and Modeling

Cited by 17 publications

References 62 publications

Anomalous Nernst Effect in Flexible Co-Based Amorphous Ribbons

Anomalous Nernst Effect in Flexible Co-Based Amorphous Ribbons

Amorphous FeCoCrSiB Ribbons with Tailored Anisotropy for the Development of Magnetic Elements for High Frequency Applications

From spectral analysis to hysteresis loops: a breakthrough in the optimization of magnetic nanomaterials for bioapplications

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