GIAN MAGNETORESISTANCE IN MELT-SPUN METALLIC RIBBONS

被引：47

作者：

DIENY, B

CHAMBEROD, A

COWACHE, C

GENIN, JB

TEIXEIRA, SR

FERRE, R

BARBARA, B

机构：

[1] LAB LOUIS NEEL,CNRS,F-38042 GRENOBLE,FRANCE

[2] INST FIS,BR-91501970 PORTS ALEGRE,RS,BRAZIL

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1994年 / 135卷 / 02期

关键词：

D O I：

10.1016/0304-8853(94)90345-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the observation of giant magnetoresistance in as-quenched and annealed metallic ribbons prepared by melt-spinning in an argon atmosphere. The samples consist of heterogeneous CoxCu1-x alloys with x varying between 5 and 30%. A magnetoresistance of the order of 20% in 50 kOe at 5 K is obtained in these samples after optimized annealing. The amplitude of this magnetoresistance is similar to that obtained in sputtered samples of the same composition. In contrast to techniques of thin-film growth (sputtering, UHV evaporation, MBE), this method of preparation allows for the production of a large quantity of material exhibiting giant magnetoresistance in the form of ribbons or wires which are a few tens of microns thick, a few millimeters wide and tens of meters long.

引用

页码：191 / 199

页数：9

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