SUPERCONDUCTING AND NORMAL-STATE MAGNETIC-SUSCEPTIBILITY ANISOTROPY IN YBA2CU3O7

被引：57

作者：

LEE, WC ^{[1
]}

JOHNSTON, DC ^{[1
]}

机构：

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

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.41.1904

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Measurements of the superconducting and normal-state magnetic- susceptibility anisotropies of high-purity grain-aligned powder samples of YBa2Cu3O7 are reported. Excellent alignment was achieved using a noncontaminating in situ technique. We find a strong temperature-dependent anisotropy ==c-ab that decreases from positive values for T>Tc to negative values for T<Tc, consistent with reported torque-magnetometer measurements on single crystals. Estimates of the normal-state spin contributions to are obtained and compared with previous results. © 1990 The American Physical Society.

引用

页码：1904 / 1909

页数：6

共 27 条

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