Multiple magnetization paths in Barkhausen noise

被引：19
|
作者：
Petta, JR
Weissman, MB
OBrien, KP
机构：
[1] Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL, 61801-3080
来源：
PHYSICAL REVIEW E | 1996年 / 54卷 / 02期
关键词：
D O I：
10.1103/PhysRevE.54.R1029
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Barkhausen noise from small samples of an Fe-based Metglas showed partial reproducibility. Small changes in the swept field completely scrambled the pattern of Barkhausen jumps. For some sweep parameters, the Barkhausen pulses switched randomly between two patterns on successive sweeps. These results require that the largest of the Barkhausen peaks come from a many-degree-of-freedom model not simple domain-wall motion in a random field.
引用
收藏
页码：R1029 / R1031
页数：3
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