MAGNETIC VISCOSITY AND INTERACTION EFFECTS OF IRON PARTICLES

被引：5
|
作者：
BOTTONI, G
CANDOLFO, D
CECCHETTI, A
机构：
[1] Department of Physics, University, INFM
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1993年 / 29卷 / 06期
关键词：
D O I：
10.1109/20.280839
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Time-dependent magnetic phenomena are analyzed on aligned iron particle aggregates at different packing densities. The different role of the interactions of positive and negative type, as deduced from the remanence curves analysis, is presented. The activation volume and the critical volume are calculated from the experimental data. Particularly, the activation volume obtained by extrapolating to zero interactions is found to be equal to the volume of the spheres of the fanning model which governs the magnetization reversal of these particles.
引用
收藏
页码：2643 / 2645
页数：3
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