Magnetoimpedance effect in Nanoperm alloys |
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| Authors: | B Hernando P AlvarezJD Santos P GorríaML Sánchez J OliveraMJ Pérez VM Prida |
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| Institution: | Departamento de Física, Facultad de Ciencias, Universidad de Oviedo, Calvo Sotelo s/n, 33007 Oviedo, Spain |
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| Abstract: | The influence of isothermal annealing (1 h at 600 °C in Ar atmosphere) on the soft magnetic properties and magnetoimpedance (MI) effect has been studied in ribbons of the following Nanoperm alloys: Fe91Zr7B2, Fe88Zr8B4, Fe87Zr6B6Cu1 and Fe80Zr10B10. A maximum MI ratio of about 27% was measured for the nanocrystalline alloy Fe87Zr6B6Cu1 at a driving frequency of 0.2 MHz. The thermal annealing led to magnetic softening for this alloy, while a hardening is observed for the Fe80Zr10B10 alloy. |
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| Keywords: | 71 55 Jv 75 47 &minus m 75 50 Kj 75 80 +q |
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