Magnetic transition in Co/(Gd-Co) multilayers

被引：2
|
作者：
Svalov, A. V. [1 ,2 ]
Fernandez, A. [3 ]
Barandiaran, J. M. [1 ]
Vas'kovskiy, V. O. [2 ]
Orue, I. [4 ]
Tejedor, M. [3 ]
Kurlyandskaya, G. V. [1 ]
机构：
[1] Univ Basque Country, UPV EHU, Dpto Elect & Elect, E-48080 Bilbao, Spain
[2] Ural State Univ, Ekaterinburg 620083, Russia
[3] Univ Oviedo, Dpto Fis, Oviedo 33007, Spain
[4] Univ Basque Country, Serv Gen Medidas Magnet, SGIKER, E-48080 Bilbao, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2008年 / 320卷 / 20期
关键词：
ferrimagnet; multilayer; magnetic compensation; twisted state;
D O I：
10.1016/j.jmmm.2008.04.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
[Co/Gd0.36Co0.64](4)/Co multilayers with Co termination layer have been prepared by rf sputtering. They form macroscopic ferrimagnets with a compensation temperature (T-comp) determined by the thickness ratio of the layers. In low fields the magnetization of Co and Gd-Co layers are along the axis of the applied field. Increasing field makes the moments of both the Co and Gd-Co layers deviate from the axis of the field giving rise to a transition into a twisted state. These magnetic transitions were studied by vibrating sample magnetometer (VSM), magneto-optic Kerr effect and magnetoresistance measurements at various temperatures. The nucleation and evolution of surface- and bulk-twisted magnetic states were also observed in these multilayers. (C) 2008 Elsevier B.V. All rights reserved.
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页码：E734 / E738
页数：5
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