EFFECT OF GAP DEPRESSION ON THE CRITICAL CURRENT IN HTSC CERAMICS

被引：2

作者：

DWIR, B

机构：

[1] Institute of Micro- and Opto-electronics, Department of Physics, Swiss Federal Institute of Technology (EPFL)

来源：

PHYSICA C | 1990年 / 168卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(90)90111-Q

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We use the Deutscher-Müller model of depressed order-parameter Josephson junction coupling [1] to describe the HTSC ceramics, modeling them as simple granular superconductors. The low critical current density of the ceramics (Jc≈103 A/cm2) can thus be understood within the framework of a simple model of grains, which are coupled by Josephson junctions with depressed order-parameters. An explicit solution for the gap equations is given, and typical numerical values are computed for YBCO, showing good agreement with experimental data. © 1990.

引用

页码：109 / 112

页数：4

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