Magnetization processes in bistable amorphous ribbons with induced helical anisotropy

García, Ana; Morón, Carlos; Maganto, F.

doi:10.1016/s0304-8853(02)00793-x

Cited by 2 publications

(2 citation statements)

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“…Also the influence of an axial electric flow on the magnetization processes of bistable threads has been studied by many different authors, obtaining a shift of the bistable jumps which is a function of flow intensity [ 49 ]. These bistable jumps can be extinguished by applying simultaneously axial tensions, torsions and electric currents.…”

Section: Sensors Based On the Nonlinearity Of Magnetization Procesmentioning

confidence: 99%

“…We have observed in [ 49 ] that amorphous bands of low magnetostriction, Metglass 2705 M (Co 70 Fe 5 Ni 2 Mo 5 B 3 Si 15 , λ S ≈ −0.3 × 10 −6 , 8 cm length, 1.2 mm width and 20 μm thickness) previously annealed during 15 min, with a continuous current of 750 mA (J = 3.125 × 10 7 A/m 2 heated up to 250 °C) show hysteresis loops like in Figure 11 a with two great irreversible jumps in the central area, when subjected to alternating longitudinal magnetic fields, evolving the magnetization of the rest of the loop as if there were only coherent rotations and no applicable hysteresis.…”

Section: Sensors Based On the Nonlinearity Of Magnetization Procesmentioning

confidence: 99%

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Magnetic Sensors Based on Amorphous Ferromagnetic Materials: A Review

Morón

Cabrera

Morón

et al. 2015

Sensors

102

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Currently there are many types of sensors that are used in lots of applications. Among these, magnetic sensors are a good alternative for the detection and measurement of different phenomena because they are a “simple” and readily available technology. For the construction of such devices there are many magnetic materials available, although amorphous ferromagnetic materials are the most suitable. The existence in the market of these materials allows the production of different kinds of sensors, without requiring expensive manufacture investments for the magnetic cores. Furthermore, these are not fragile materials that require special care, favouring the construction of solid and reliable devices. Another important feature is that these sensors can be developed without electric contact between the measuring device and the sensor, making them especially fit for use in harsh environments. In this review we will look at the main types of developed magnetic sensors. This work presents the state of the art of magnetic sensors based on amorphous ferromagnetic materials used in modern technology: security devices, weapon detection, magnetic maps, car industry, credit cards, etc.

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Section: Sensors Based On the Nonlinearity Of Magnetization Procesmentioning

confidence: 99%

Section: Sensors Based On the Nonlinearity Of Magnetization Procesmentioning

confidence: 99%