SUPERCONDUCTING WEAK LINKS IN YBA2CU3O7-DELTA AN AC MAGNETIC-SUSCEPTIBILITY STUDY

被引：30

作者：

GARCIA, J

RILLO, C

LERA, F

BARTOLOME, J

NAVARRO, R

BLANK, DHA

FLOKSTRA, J

机构：

[1] UNIV ZARAGOZA,CSIC,INST CIENCIA MAT ARAGON,ETSII,E-50009 ZARAGOZA,SPAIN

[2] TWENTE UNIV TECHNOL,DEPT APPL PHYS,7500 AE ENSCHEDE,NETHERLANDS

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1987年 / 69卷 / 03期

关键词：

CERAMIC MATERIALS - YTTRIUM COMPOUNDS - Electric Conductivity;

D O I：

10.1016/0304-8853(87)90245-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

AC magnetic susceptibility, chi prime and chi double prime , and ac resistivity, rho , of two different samples of superconducting YBa//2Cu//3O//7// minus // delta have been measured. The results show a strong non-linear behavior and are very sensitive to the exciting amplitudes. From the analysis of the data and comparison with appropriate models and other superconducting compounds, evidence for the existence of weak superconducting links is inferred. Finally, the utility of ac chi measurements for detection of different superconducting phases is made evident.

引用

页码：L225 / L229

页数：5

共 14 条

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