THE CONCEPT OF A SINGLE-DOMAIN PARTICLE

被引：19

作者：

AHARONI, A

机构：

[1] Department of Electronics, Weizmann Institute of Science, 76100, Rehovoth

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 06期

关键词：

D O I：

10.1109/20.278943

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：

All estimations of the 'single-domain' particle size are based on certain approximations which apply to a continuous material, but break down in the limit of discrete atoms. It is shown that when these approximations are eliminated, a very small magnetic particle can never be completely saturated, even though such a state can be a very good approximation to the physical reality. The provious micromagnetic calculations are only approximately valid, which resolves the Brown paradox.

引用

页码：4775 / 4777

页数：3

共 16 条

[1] SINGLE-DOMAIN FERROMAGNETIC CYLINDER [J].