GIANT MAGNETORESISTANCE AND OSCILLATORY MAGNETIC COUPLING OF EVAPORATED AND MBE-GROWN CO/AG MULTILAYERS

被引：52

作者：

ARAKI, S

YASUI, K

NARUMIYA, Y

机构：

[1] R&D Center, TDK Corporation, Ichikawa, Chiba 272

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1991年 / 60卷 / 09期

关键词：

MULTILAYERS; TRANSPORT PROPERTIES; CO; AG; SPIN DEPENDENT SCATTERING; ANTIFERROMAGNETIC COUPLING; GIANT MAGNETORESISTANCE;

D O I：

10.1143/JPSJ.60.2827

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Co/Ag multilayers grown by molecular beam epitaxy (MBE) exhibit giant magnetoresistance (MR). The spins of Co layers are aligned antiferromagnetically, which is the same as in Fe/Cr and Co/Cu. The MR ratio and saturation field showed oscillatory behavior as a function of Ag thickness with a period of about 16 angstrom. The MR ratio was obtained for [Co(6 angstrom)-Ag(25 angstrom)] x 70, 16% at room temperature and 38% at 77 K.

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页码：2827 / 2830

页数：4

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