MODEL-CALCULATIONS FOR GIANT MAGNETORESISTANCE IN METALLIC SUPERLATTICES

被引：3

作者：

NAKANISHI, H

OKIJI, A

KASAI, H

机构：

[1] Department of Applied Physics, Osaka University, Suita, Osaka

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1993年 / 32卷 / 3B期

关键词：

GIANT MAGNETORESISTANCE; METALLIC SUPERLATTICE; INTERFACE; COHERENT POTENTIAL APPROXIMATION;

D O I：

10.1143/JJAP.32.L447

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effects of three factors on the magnetoresistance in superlattices composed of magnetic and nonmagnetic slabs are studied within the framework of the coherent potential approximation: (i) the number of interfacial layers, in which magnetic and nonmagnetic ions are randomly distributed adjacent to interfaces between slabs, (ii) average distribution number and (iii) the relative position of electron energy levels of these ions. It is shown that the absolute value of the resistance is mainly determined by factors (i) and (ii), and that its magnetic-field-dependent part, on the other hand, is mainly determined by factor (iii).

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页码：L447 / L449

页数：3

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