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1997 | 91 | 2 | 451-454
Article title

Current Annealings and Magnetoimpedance in Co-Fe Amorphous Ribbons

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Languages of publication
EN
Abstracts
EN
Amorphous ribbons of composition (Co_{0.95}Fe_{0.05})_{100-x}Si_{0.4x} B_{0.6x}, with x=25 and 30 were prepared by the melt-spinning technique. Current annealings at 600 mA were performed for annealing times between 15 s and 60 min. The magnetoimpedance response was investigated by submitting the ribbons to ac currents at frequencies in the 10-200 kHz range, with amplitudes between 1 and 15 mA (rms), and measuring their voltage response. The observed results show that a transverse anisotropy is induced by the thermal treatments, which can be evaluated by means of the magnetoimpedance effect. Due to its lower Curie temperature, the x=30 ribbons exhibited lower sensibility to the current annealings.
Keywords
EN
Publisher

Year
Volume
91
Issue
2
Pages
451-454
Physical description
Dates
published
1997-02
Contributors
author
  • Departmento de Fisica de Materiales, Universidad del Pais Vasco, P.O. Box 1072, 20080 San Sebastian, Spain
author
  • Departmento de Fisica de Materiales, Universidad del Pais Vasco, P.O. Box 1072, 20080 San Sebastian, Spain
author
  • Departmento de Fisica de Materiales, Universidad del Pais Vasco, P.O. Box 1072, 20080 San Sebastian, Spain
author
  • Departmento de Fisica de Materiales, Universidad del Pais Vasco, P.O. Box 1072, 20080 San Sebastian, Spain
author
  • Instituto de Investigaciones en Materiales, National University of Mexico, P.O. Box 70-360, 04510 Mexico, Mexico
References
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Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv91z249kz
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