Magnetic configurations in 160-520-nm-diameter ferromagnetic rings -: art. no. 144421

被引：62

作者：

Castaño, FJ

Ross, CA

Eilez, A

Jung, W

Frandsen, C

机构：

[1] MIT, Ctr Mat Sci & Engn, Cambridge, MA 02139 USA

[2] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.69.144421

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The remanent states and hysteretic behavior of thin-film magnetic rings has been investigated experimentally and by micromagnetic modeling. Rings of diameters 160-520 nm, made from Co using lift-off processing, show three distinct remanent states: a vortex state, an "onion" state with two head-on walls, and a "twisted" state containing a 360degrees wall. The range of stability of these states varies with ring geometry, with smaller width rings showing higher switching fields and greater variability.

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页码：144421 / 1

页数：7

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