GIANT MAGNETORESISTANCE EFFECTS IN INTERMETALLIC COMPOUNDS (INVITED)

被引：67

作者：

SECHOVSKY, V ^{[1
]}

HAVELA, L ^{[1
]}

PROKES, K ^{[1
]}

NAKOTTE, H ^{[1
]}

DEBOER, FR ^{[1
]}

BRUCK, E ^{[1
]}

机构：

[1] UNIV AMSTERDAM,VAN WAALS ZEEMAN LAB,1018 XE AMSTERDAM,NETHERLANDS

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 10期

关键词：

D O I：

10.1063/1.358114

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Giant magnetoresistance (GMR) effects are observed in several classes of bulk magnetic materials. The resistance changes at metamagnetic transitions connected with reorientation of 4f moments are only moderate due to the relatively weak coupling of the 4f and conduction electrons. Much larger GMR effects can be achieved by mechanisms involving the d states (RhFe, RCo 2), though the most spectacular resistance variations are connected with metamagnetic transitions in U-intermetallic antiferromagnets. This phenomenon can be interpreted as due to Fermi surface gapping (due to magnetic superzones) and/or due to spin-dependent scattering in analogy with magnetic multilayers.

引用

页码：6913 / 6918

页数：6

共 31 条

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