Preparation and characterization of electrodeposited Fe and Fe/Cu nanowires

被引：20

作者：

Dubois, S

Chassaing, E

Duvail, JL

Piraux, L

Waals, MG

机构：

[1] Unite Physicochim & Phys Mat, B-1348 Louvain, Belgium

[2] CNRS, Ctr Etud Chim Met, F-94407 Vitry, France

[3] Met Phys Lab, F-86960 Futuroscope, France

[4] IMN, Lab Phys Cristalline, F-44322 Nantes 3, France

来源：

JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE | 1999年 / 96卷 / 08期

关键词：

nanowires; electrodeposition; multilayers; giant magnetoresistance;

D O I：

10.1051/jcp:1999213

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Fe and Fe/Cu multilayered nanowires with layer thicknesses in the 10nm range were successfully synthesized within the voids of nanoporous polycarbonate membranes and characterized by transmission electron microscopy. Magnetization measurements show that the shape anisotropy of individual Fe wires dominates the magnetic properties. Fe(8nm)/Cu(10nm) multilayered nanowires show CPP-GMR ratios as large as 12% at low temperature. The variations of the CPP-GMR as a function of the Cu layer thickness are consistent with the Valet-Fert model. Our data yield a value of about 0.3 for the bulk spin asymmetry coefficient beta.

引用

页码：1316 / 1331

页数：16

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