Physical properties of nearly zero magnetostriction Co-rich glass-coated amorphous microwires

被引:0
作者
A. F. Cobeño
A. Zhukov
A. R. de Arellano-López
F. Elías
J. M. Blanco
V. Larin
J. González
机构
[1] Faculdad de Química,Dept. de Física de Materiales
[2] Universidad de Sevilla,Dept. de Física de la Materia Condensada
[3] Escuela Universitaria de Ingeniería Técnica Industrial,Dept. de Electrónica y Telecomunicaciones y Dept. de Física Aplicada I
[4] AmoTec LTD,Dept. de Física de Materiales
[5] Faculdad de Química,undefined
来源
Journal of Materials Research | 1999年 / 14卷
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摘要
Magnetic and mechanical properties of Co-rich amorphous microwires of nominal compositions (Co1–xMnx)75Si10 B15 (0.08 < x < 0.11) and Co56.5Fe6.5Ni10B16Si11 with nearly zero magnetostriction constant have been studied. Drastic changes of the hysteresis loop with the decrease of x from rectangular to flat shape were observed at x < 0.1, while the Co56.5Fe6.5Ni10B16Si11 microwire showed rectangular hysteresis loops. Compositions with x ≥ 0.1 have small but positive magnetostriction constant while negative λs values have been observed at x ≤ 4 0.09, indicating rectangular character of the hysteresis loop in samples with nearly zero and even for small negative λs. External stress dependence of switching field, H*, showed an increase of H*; with s for samples with x = 0.11 and a decrease of H* with σ for x = 0.1. Besides, microwires of the same composition but with different dimensions showed different H*(σ) dependencies.
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页码:3775 / 3783
页数:8
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