INFLUENCE OF DEPOSITION TEMPERATURE ON GIANT MAGNETORESISTANCE OF FE/CR MULTILAYERS

被引：33

作者：

PARKIN, SSP ^{[1
]}

YORK, BR ^{[1
]}

机构：

[1] IBM CORP,MAT LAB,SAN JOSE,CA 95193

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 15期

关键词：

D O I：

10.1063/1.109542

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The giant magnetoresistance effect DELTAR/R in magnetron-sputter deposited Fe/Cr multilayers is shown to depend strongly on deposition temperature. The largest values of DELTAR and magnetoresistance are found in structures deposited at congruent-to 125-degrees-C. Structures deposited at lower (congruent-to 30-degrees-C) or higher (congruent-to 200-degrees-C) temperatures exhibit lower DELTAR and DELTAR/R values. Low angle x-ray reflectivity and rocking curve data show that all the structures have well defined layers. However the largest giant MR values are found in structures which have the lowest high field resistivities, R, the longest structural coherence lengths and the narrowest (110) rocking curve widths. These results suggest that more perfect structures have intrinsically higher giant magnetoresistance.

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页码：1842 / 1844

页数：3

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