DEPENDENCE OF BARKHAUSEN NOISE ON GRAIN-SIZE IN FERROMAGNETIC MATERIALS

被引：14
|
作者：
BERTOTTI, G
MONTORSI, A
机构：
[1] Istituto Elettrotecnico Nazionale Galileo Ferraris, CISM-GNSM, I-10125 Torino
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1990年 / 83卷 / 1-3期
关键词：
D O I：
10.1016/0304-8853(90)90490-H
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigate Barkhausen noise dependence on grain size s by measuring its power spectrum F(ω) and amplitude probability distribution P(Φ) in different samples of 1.8% SiFe, with s in the range 30 μm < s < 125 μm. A theory recently proposed by the authors is employed to fit the experimental data. The dependence on s of the parameters describing F(ω) and P(Φ) is obtained and discussed. © 1990.
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页码：214 / 216
页数：3
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