Ferromagnetic film on a superconducting substrate

被引：43

作者：

Bulaevskii, LN

Chudnovsky, EM

机构：

[1] CUNY Herbert H Lehman Coll, Dept Phys & Astron, Bronx, NY 10468 USA

[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW B | 2001年 / 63卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.63.012502

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study th equilibrium domain structure and magnetic flux around a ferromagnetic film with perpendicular magnetization M-o on a superconducting (SC) substrate. At 4 pi M-o<H-cl the SC is in the Meissner state and the equilibrium domain width in the film, l, scales at (l/4<pi>lambda (L)) = (l(N)/4 pi lambda (L))(2/3) with the domain width on a normal (nonsuperconducting) substrate, l(N)/4 pi lambda (L)>>1; lambda (L) being the London penetration length.

引用

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