High-frequency permeability of thin amorphous wires with various anisotropic fields

Malliavin, M.-J.; Acher, O.; Boscher, C.; Bertin, F.; Larin, V.

doi:10.1016/s0304-8853(98)00788-4

Cited by 15 publications

(11 citation statements)

References 8 publications

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“…The design of GCAMNW composites was described in [8][9][10][11]. We have following typical configurations: Natural ferromagnetic resonance (NFMR) occurs if the sample is subjected to a microwave field without application of any biasing field other than the anisotropy field of the microwire [8][9][10][11][12][13].…”

Section: Absorption Propertiesmentioning

confidence: 99%

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Glass-coated microwires for composites

Baranov¹

2021

MJPS

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In this paper, solutions for two problems are proposed. One of the problems is associated with increasing the strength of objects, for instance, the strength of windows in industrial buildings and dwelling houses. The other problem is related to electromagnetic shielding. Both of these problems are related to the protection form terrorist acts, since terrorists make use of concentrated electromagnetic pulses to destroy computers or other electronic equipment. The proposed solutions are based upon the manufacturing of glass windows reinforced with cast glass-coated amorphous micro- and nanowires (CGCAMNWs) having a special composition and structure, which increases their tensile strength against mechanical destruction, on the one hand, and imparts them with shielding properties against electromagnetic radiation, on the other hand. The CGCAMNW materials are of interest from both theoretical and practical points of view.

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Section: Absorption Propertiesmentioning

confidence: 99%

“…These pieces of microwires can be treated as dipoles whose length L is comparable to the half value of effective wavelengths Λ eff /2 of the absorbed field in the composite material (i.e., in connection to a geometric resonance). (2) absorption curve in the case of an external pressure (see [5][6][7][8][9][10][11][12]).…”

Section: Absorption Propertiesmentioning

confidence: 99%

Glass-coated microwires for composites

Baranov¹

2021

MJPS

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“…whereB(r) = −∂Ã(r)/∂r andÃ 1,2,3 (r) are given by (13), (14) and (21). Solving for the coefficients and neglecting the terms ((a + d)/ ) 2 we obtain…”

Section: Boundary Value Problem For a Conductor Of Axial Symmetry Coamentioning

confidence: 99%

“…Using (13), (14) and (23), we obtain the impedance as a function of the inductor parameters and frequency:…”

Section: Vector Potential Expression For the Impedancementioning

confidence: 99%

Electromagnetic analysis of layered magnetic/conductor structures

Gromov¹,

Korenivski²

2000

J. Phys. D: Appl. Phys.

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A method is described for calculating the impedance of conductor structures comprised of ferromagnetic and non-magnetic layers of arbitrary cross sectional shape with transverse dimensions which are small compared to the conductors length. The method is exemplified on a conductor of axial symmetry enclosed in a high permeability film of uniaxial anisotropy along the conductor axis. To find the impedance the full boundary value problem for the vector potential is solved, allowing driving and eddy currents in both the conductor and the magnetic film, and taking into account the dynamics of the magnetization governed by the Landau-Lifshitz equations. The results obtained are used to model the giant magneto impedance effect in ferromagnetically coated wires.

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“…The microwave field H 1 can be considered homogeneous ͑within 4%͒ over the volume of the sample. The sample temperature is fixed at Tϭ285 K and the saturation magnetization is 4M s (T)ϭ1815 G. A magnetic bar, 18 m in diameter and 40 m in length, 12 is glued ͓see Fig. 1͑b͔͒ at the extremity of a soft cantilever ͑spring constant kϭ0.01 N/m͒.…”

mentioning

confidence: 99%

Mechanical detection of ferromagnetic resonance spectrum in a normally magnetized yttrium–iron–garnet disk

Charbois

Naletov

Youssef

et al. 2002

Journal of Applied Physics

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Perpendicular magnetic anisotropy in ultrathin yttrium iron garnet films prepared by pulsed laser deposition technique J.Angle dependence of the ferromagnetic resonance linewidth and two magnon losses in pulsed laser deposited films of yttrium iron garnet, MnZn ferrite, and NiZn ferrite J. Appl. Phys. 85, 7838 (1999); 10.1063/1.370595Magnetization and ferromagnetic resonance studies in implanted and crystal ion sliced bismuth-substituted yttrium iron garnet films

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High-frequency permeability of thin amorphous wires with various anisotropic fields

Cited by 15 publications

References 8 publications

Glass-coated microwires for composites

Glass-coated microwires for composites

Electromagnetic analysis of layered magnetic/conductor structures

Mechanical detection of ferromagnetic resonance spectrum in a normally magnetized yttrium–iron–garnet disk

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