NORMAL STATE MAGNETISM OF THE HIGH-TC CUPRATE SUPERCONDUCTORS

被引：74

作者：

JOHNSTON, DC ^{[1
]}

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1991年 / 100卷 / 1-3期

关键词：

D O I：

10.1016/0304-8853(91)90822-R

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic measurements of various types have played an essential role in establishing the novel normal state characteristics of high transition temperature (T(c)) superconductors with T(c) > 23 K. Among these materials, the highest T(c)'s (less-than-or-equal-to 125 K) are exhibited by the layered cuprates. In this paper, the normal state magnetic susceptibilities of the cuprates are reviewed and interpreted in the context of magnetic neutron scattering and other magnetic measurements, using the La2-xMxCuO4-type and YBa2Cu3O6+x-type materials as prototypical examples. The evolution of the magnetism upon doping the insulating antiferromagnetic "parent" compounds with x = 0 to form the high temperature superconductors is described. A recurrent property which differentiates these materials from conventional superconductors is the existence of strong antiferromagnetic correlations in the metallic state on the same sublattice of the structure in which the itinerant carriers reside.

引用

页码：218 / 240

页数：23

共 177 条

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