Localized superconducting to normal transition at the grain boundary for transport critical current in YBa2Cu3O7-δ

被引：2

作者：

Khalfi, A

Smith, DS

Bonnet, JP

Trolliard, G

Soulestin, B

Marchet, P

Odier, P

Gotor, F

机构：

[1] Ecole Natl Super Ceram Ind, Grp Etud Mat Heterogenes, F-87065 Limoges, France

[2] CNRS, Unite Mixte Rech 6638, F-87060 Limoges, France

[3] CNRS, Ctr Rech Phys Hautes Temp, F-45071 Orleans, France

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 1999年 / 18卷 / 19期

关键词：

D O I：

10.1023/A:1006604130957

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The local electrical response around the grain boundaries in 'bicrystals' cut out of large grain ceramics fabricated by a method close to the melt textured growth is discussed. Emphasis is on the local nature of the transition to the normal state at the boundary when the transport critical current is just exceeded. As an example, the case of small grain sized polycrystalline YBa2Cu3O7-δ is considered.

引用

页码：1575 / 1577

页数：3

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