Remanence properties of Co-precipitated cobalt ferrite

被引：13
|
作者：
Bueno-Baqués, D
Medina-Boudrí, A
Matutes-Aquino, J
机构：
[1] Ctr Invest Mat Avanzados, Chihuahua, Mexico
[2] Univ La Habana, Fac Fis IMRE, Lab Magnetismo, Havana, Cuba
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 226卷 / 226-230期
关键词：
cobalt ferrite; remanence; Henkel plot; IRM; DCD;
D O I：
10.1016/S0304-8853(00)00972-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Isothermal remanent magnetization (IRM) and DC demagnetization (DCD) curves of a co-precipitated cobalt ferrite sample were obtained. From the IRM and DCD data, the Henkel plot was obtained and analyzed in the Preisach model framework. The Henkel plot data are below the Wohlfarth line that indicates a dominant local disorder (demagnetizing-like effect). Forward and reverse switching field distribution curves were obtained from differentiation of the IRM and DCD curves. The peak values of these switching field distributions differ by a factor of about 2.7. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：1412 / 1414
页数：3
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