Effect of interface roughness on GMR in Fe/Cr multilayers

被引：25
|
作者：
Gupta, A [1 ]
Paul, A [1 ]
Chaudhari, SM [1 ]
Phase, DM [1 ]
机构：
[1] InterUniv Consortium DAE Facil, Univ Campus,Khandwa Rd, Indore 452017, India
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2000年 / 69卷 / 07期
关键词：
magnetic films and multilayers; giant magnetoresistance; interface structure and roughness;
D O I：
10.1143/JPSJ.69.2182
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Effect of interfacial roughness on Giant Magnetoresistance (GMR) in Fe/Cr Multilayers has been studied by simultaneously depositing multilayers on a set of float glass substrates prepared with varying rms surface roughness. Morphological and other microstructural features of different multilayers are similar except for the interfacial roughness, thus allowing one to separate out the effect of interface roughness. GMR measurements on these multilayers show that increasing interfacial roughness causes GMR to decrease nonlinearly. GMR tends to saturate to a constant value for higher interfacial roughnesses because of the fact that different multilayers differ mainly in the correlated part of interfacial roughness.
引用
收藏
页码：2182 / 2187
页数：6
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