Magnetic properties and low frequency magnetoimpedance of novel amorphous CoFeTaBCr ribbons |
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| Institution: | 1. Departamento de Materiales Metálicos y Cerámicos, Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Mexico D.F. 04510;2. Universidad Tecnológica Tula-Tepeji, Tula de Allende Hidalgo 42800, Mexico |
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| Abstract: | In this report, we study the effect of Cr addition on the dc an ac magnetic properties of novel melt spun amorphous Co43?x/2Fe20?x/2CrxB31.5Ta5.5 (x = 0, 1, 2, 4) alloy series. The saturation magnetization decreases with increasing Cr content as well as the ac relative initial permeability, which showed a high relaxation frequency of 3 MHz. In addition, the magnetoimpedance effect was detected in this alloy series, with a maximum variation ratio of 3% at x = 0. |
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