NORMAL-STATE SUSCEPTIBILITY VERSUS OXYGEN-CONTENT IN THE Y2BA4CU7OX SUPERCONDUCTING PHASE

被引：14

作者：

TRISCONE, G

GENOUD, JY

GRAF, T

JUNOD, A

MULLER, J

机构：

[1] Département de Physique de la Matiére Condensée, Université de Genève, CH-1211 Genève 4

来源：

PHYSICA C | 1992年 / 201卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(92)90096-U

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Extensive measurements of the normal-state susceptibility have been performed on high-quality Y2Ba4Cu7Ox samples with different oxygen contents. We find a temperature dependence of the susceptibility similar to that of other high-T(c) superconductors such as YBa2Cu3O7-delta. upon approaching the optimum hole doping, the normal-state susceptibility tends to become temperature-independent, except for the region where superconducting fluctuations play a substantial role. For high-T(c) samples (onset: 95 K) the susceptibility displays a very large rounding above T(c) which can be attributed to 3D-2D superconducting fluctuations. The fluctuation temperature range extends 100 K above T(c).

引用

页码：1 / 5

页数：5

共 15 条

[1] CORRELATION BETWEEN THE MAGNITUDE OF THE SUPERCONDUCTING TRANSITION-TEMPERATURE AND THE NORMAL-STATE MAGNETIC-SUSCEPTIBILITY IN BI2SR2CACU2O8+Y AND TL2BA2CUO6+Y AS A FUNCTION OF OXYGEN-CONTENT [J].