Fabrication of Micro-pipes of YBa2Cu3O7-δ Superconductor

被引：0

作者：

Gul, Asghari ^{[2
]}

Khurram, A. A. ^{[1
]}

Khan, Nawazish A. ^{[1
]}

Mazhar, M. ^{[2
]}

机构：

[1] Quaid I Azam Univ, Dept Phys, Mat Sci Lab, Islamabad 45320, Pakistan

[2] Quaid I Azam Univ, Dept Chem, Islamabad 45320, Pakistan

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2009年 / 22卷 / 07期

关键词：

Micro-pipes; YBa2Cu3O7-delta superconductor; Strong pinning centers; WEAK-LINK BEHAVIOR; HIGH-TEMPERATURE SUPERCONDUCTORS; AC SUSCEPTIBILITY MEASUREMENTS; DEFECTS; CYANIDE; FILMS;

D O I：

10.1007/s10948-009-0479-4

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Synthesis of micro-pipes of YBa2Cu3O7-delta superconductor has been carried out for the first time by using chemical method. The shape, size and length of these micro-pipes depends upon dimensions of growth matrix and structure of geometry, i.e., circular, square, rectangular and hexagonal, etc., which could be uniformly coated with superconductor. The onset temperature of diamagnetism of the material is found to be 93 K, which is not shifted to lower values by the application of DC magnetic field; this is most likely due to large surface area provided by micro-pipes to the shielding currents. These micro-pipes behave as pinning centers, hence they can be used for the fabrication of devices that are capable of working in high magnetic fields.

引用

页码：693 / 697

页数：5

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