Results 111 to 120 of about 243 (140)
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Coercivity in stressed amorphous FeCoSiB thin films
Physica B: Condensed Matter, 2010The effect of stress on the magnetic properties of FeCoSiB amorphous films is investigated. It has been observed that the unstressed sample is isotropic in the film plane. The samples under tensile stress show clear easy axis along the stress while the samples under compressive stress show easy axis perpendicular to the stress axis.
W L Zhang, W X Zhang
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Elimination of disaccommodation in zero-magnetostrictive FeCoSiB amorphous alloys
Journal of Applied Physics, 1982 The disaccommodation of magnetic permeability in amorphous zero-magnetostrictive alloys occurs due to gradual pinning of domain walls by the induced anisotropy. To eliminate the disaccommodation one should induce the perpendicular anisotropy in order to fix the position of walls and to control magnetization by rotation process.
T. Jagielinski
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High-Frequency Properties of FeCoSiB Thin Films With Crossed Anisotropy
IEEE Transactions on Magnetics, 2004Investigations on amorphous FeCoSiB/SiO/sub 2//FeCoSiB thin-film samples with crossed anisotropies are presented in this paper. The samples consist of two magnetic layers, 40 nm thick each, where the second magnetic layer's uniaxial anisotropy is rotated by an angle of 90/spl deg/ with respect to the anisotropy of the first layer. The individual layers
M Frommberger +2 more
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An investigation of the magnetic domains in the stressed amorphous FeCoSiB magnetoelastic films
Journal of Non-Crystalline Solids, 2008The effects of tensile and compressive stress on the magnetic domains of amorphous FeCoSiB films are investigated. It is observed that the unstressed sample consists of irregular domains while the stressed samples show stripe domains. With the increase of the tensile stress, the stripe domain of the stressed films tends to align parallel to the ...
W X Zhang, W L Zhang
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Giant magnetic field dependent impedance of amorphous FeCoSiB wire
Applied Physics Letters, 1994 The impedance of an amorphous Fe4.3Co68.2Si12.5B15 wire (100 μm diameter) exhibits an extraordinarily large frequency dependent resistance in addition to the previously reported frequency dependent wire reactance. The frequency response of both the resistance and reactance is almost entirely suppressed by an axial magnetic field HA<150 Oe ...
R. S. Beach, A. E. Berkowitz
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Effect of sputtering pressure on microstructure and magnetic properties of amorphous FeCoSiB films
Journal of Non-Crystalline Solids, 2013Abstract The effects of argon pressure on the microstructure and magnetic properties of the sputtered FeCoSiB amorphous films were investigated. At low deposition pressure the samples show flat and dense surface, while those at higher pressure show columnar growth with rough surface.
W L Zhang, W X Zhang
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Fabrication and characterization of shape anisotropy AlN/FeCoSiB magnetoelectric composite films
Ceramics International, 2014Abstract The shape anisotropy magnetoelectric (ME) composite films composed of piezoelectric AlN film and magnetostrictive FeCoSiB strips film were fabricated successfully by means of hard-mask during sputter deposition. The results demonstrated that the ME anisotropy factor K was strongly dependent on the number of FeCoSiB strips. If the number of
Jun Ouyang, Bei Tong
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Large Barkhausen and Matteucci effects in FeCoSiB, FeCrSiB, and FeNiSiB amorphous wires
IEEE Transactions on Magnetics, 1990 The mechanism of the sensitive and stable large Barkhausen effects of as-cast amorphous magnetostrictive wires having three composition systems was investigated using measured values of stress-induced anisotropy constant saturation magnetostriction, residual internal stress, and MH hysteresis loop squareness M/sub r//M/sub s/.
K. Mohri +4 more
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Design of an Accuracy Current Sensor Using Amorphous Fine Wire of FeCoSiB
Advanced Materials Research, 2011 In this paper, we are interested in electric current reconstruction from magnetic field measurements. The major difficulty of this principle is in the ability to reject magnetic field perturbations which affect the accuracy of the measurements. The first experimental validation of the approach of gradient measurement shows large errors in the current ...
Aline Msaed +3 more
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Measurements of magnetization dynamics and magnetoimpedance in FeCoSiB and FeSiB amorphous wires
Journal of Applied Physics, 1996 A technique to observe magnetization dynamics in amorphous wires is described. When an ac current passes through the amorphous wire, voltages induced between both ends of the wire and in a pickup coil wound around the wire are observed. These voltages indicate circumferential and axial components of magnetization changes in the wire, respectively ...
S. Masuda +4 more
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