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Magnetic Properties of Glass-Coated FeWB Microwires

100%

Klein P., Varga R., El Kammouni R., Vazquez M.

vol. 126

issue 1

70-71

We have studied magnetization process in amorphous bistable Fe_{80}W_{3}B_{17 } microwires with reduced Curie temperature. High mechanical stresses from glass-coating, induced during production process, result in high switching field. Reducing the length of microwire, the switching field decreases as a result of reduction of magnetoelastic anisotropy. Moreover, the decrease of magnetoelastic anisotropy results in a complex temperature dependence of the switching field. On the other hand, strong variations of the switching field with temperature can be employed in miniaturised temperature sensor.

Magnetic Properties of CoFeSiB/CoNi, CoFeSiB/FeNi, FeSiB/CoNi, FeSiB/FeNi Biphase Microwires in the Temperature Range 295-1200 K

76%

Iglesias I., El Kammouni R., Chichay K., Perov N., Vazquez M., Rodionova V.

Acta Physica Polonica A

2015

vol. 127

issue 2

591-593

We have studied the magnetic properties of two series of magnetically biphase microwires with 1 μm thickness of CoNi-based hard or FeNi-based soft shells with a core of FeSiB or FeCoSiB glass-coated microwires. The magnetic properties were analyzed as a function of temperature in the range from 295 K to 1200 K using a vibrating sample magnetometer. Analysis of the magnetization reversal of each phase with measuring temperature has been performed.

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2 Acta Physica Polonica A

1 2015

1 2014

2 El Kammouni R.

2 Vazquez M.

1 Chichay K.

1 Iglesias I.

1 Klein P.

1 Perov N.

1 Rodionova V.

1 Varga R.

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Magnetic Properties of Glass-Coated FeWB Microwires

Magnetic Properties of CoFeSiB/CoNi, CoFeSiB/FeNi, FeSiB/CoNi, FeSiB/FeNi Biphase Microwires in the Temperature Range 295-1200 K