Hydrogen-induced change of the magnetic coupling in Nb/Fe multilayers

被引：5
|
作者：
Nagengast, D [1 ]
Rehm, C [1 ]
Klose, F [1 ]
Weidinger, A [1 ]
机构：
[1] HAHN MEITNER INST BERLIN GMBH,D-14109 BERLIN,GERMANY
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1997年 / 253卷
关键词：
magnetic coupling; multilayers; hydrogen; neutron reflectometry; magnetoresistance;
D O I：
10.1016/S0925-8388(96)02924-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Nb/Fe multilayers, consisting of typically 10-20 doublelayers with individual layer thicknesses in the nanometer range, were investigated by neutron reflectometry, SQUID magnetization and magnetoresistivity measurements. The main purpose of this investigation was to study the influence of hydrogen on the magnetic properties of these systems. We find that the magnetic coupling of the Fe layers over the nonmagnetic Nb layers can be switched between antiferro- and ferro-magnetic by hydrogen charging. The change of the coupling upon hydrogen charging is continuous and reversible.
引用
收藏
页码：347 / 349
页数：3
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