Magnetization reversal in nanostructured Co/Pt multilayer dots and films

被引：42

作者：

Thielen, M ^{[1
]}

Kirsch, S ^{[1
]}

Weinforth, H ^{[1
]}

Carl, A ^{[1
]}

Wassermann, EF ^{[1
]}

机构：

[1] Univ Duisburg Gesamthsch, D-47048 Duisburg, Germany

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 04期

关键词：

magnetic nanostructures; optical interference lithography; magnetization reversal; magnetic force microscopy;

D O I：

10.1109/20.706340

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：

We report on the magnetic properties of large scale periodic magnetic nanostructures designed as dot-arrays with periodicity ranging between 300nm and 1100nm, consisting of Co/Pt multilayer dots with respective diameters ranging between 230nm and 740nm. The nanostructures are fabricated by using optical interference lithography allowing for large area (cm(2)) fabrication. The Co/Pt multilayer dots show a pronounced out-of-plane magnetic anisotropy. The magnetic properties are determined from magnets-optical Kerr effect measurements in polar geometry and results are compared to respective continuous Co/Pt multilayer thin films. The micromagnetic properties of both, films and nanostructures are investigated with magnetic force microscopy allowing for the application of an external perpendicular magnetic field of up to B = 0.15T.

引用

页码：1009 / 1011

页数：3

共 11 条

[1] SINGLE-DOMAIN MAGNETIC PILLAR ARRAY OF 35-NM DIAMETER AND 65-GBITS/IN(2) DENSITY FOR ULTRAHIGH DENSITY QUANTUM MAGNETIC STORAGE [J].