Magnetization Studies Of Dy/Fe Multilayers

被引：0
|
作者：
Nande, A. V. [1 ]
Das, S. S. [1 ]
Kumar, M. Senthil [1 ]
机构：
[1] Indian Inst Technol, Dept Phys, Bombay 400076, Maharashtra, India
来源：
SOLID STATE PHYSICS, PTS 1 AND 2 | 2012年 / 1447卷
关键词：
Magnetic thin films; rare earth metal; Dy/Fe multilayers; magnetization; coercivity; METAL NANOSCALE MULTILAYERS; MAGNETISM;
D O I：
10.1063/1.4710239
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetization measurements in the temperature range 4.2 K to 300 K were carried out on [Dy(50 angstrom)/Fe(t(Fe))](20) multilayers grown by dc magnetron sputtering. From the saturation magnetization, it was inferred that the Dy layers are superparamagnetic due to their nanocrystalline nature. Zero field cooled and field cooled magnetization measurements also confirmed this behaviour. The coercivity of the sample with t(Fe) = 20 angstrom is much larger than the other samples due to partially ferromagnetic Dy layers.
引用
收藏
页码：787 / 788
页数：2
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