High-precision measurements of magnetostriction in nickel structures for magnetoresistive nanocontacts

被引：1

作者：

Gatiyatov, R. G. ^{[1
]}

Borodin, P. A. ^{[1
]}

Bukharaev, A. A. ^{[1
]}

Bizyaev, D. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Kazan Sci Ctr, Kazan Physicotech Inst, Kazan 420029, Tatarstan, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2006年 / 32卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

75.75.+a;

D O I：

10.1134/S1063785006100129

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Variations as small as 2 nm in the dimensions of a nickel microwire exposed to a magnetic field have been detected using an atomic force microscope specially made of nonmagnetic materials. Based on the results of these high-precision measurements, it is established that the ballistic magnetoresistance of nanocontacts formed by nickel electrodeposition between nickel nanowires is related to a considerable extent to the mutual displacement of nanowires caused by magnetostriction. Analogous measurements for nickel nanofilms did not reveal such displacements to within the experimental sensitivity. Therefore, film nanostructures are more suitable for the formation of nanocontacts with a minimum magnetostriction contribution.

引用

页码：857 / 859

页数：3

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