WEAK-LINK CHARACTERISTICS AND TRANSPORT-PROPERTIES OF TL-1223 TAPE-SHAPED WIRE

被引：15

作者：

OKADA, M

TANAKA, K

KAMO, T

机构：

[1] Hitachi Research Laboratory, Hitachi Ltd, Hitachi, Ibaraki, 319-12

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 6A期

关键词：

WEAK LINK; J(C); SUPERCONDUCTING WIRE; TAPE;

D O I：

10.1143/JJAP.32.2634

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Tl-1223 has potential as a practical superconductor for use at the temperature of liquid nitrogen because of strong pinning behavior and an attractive T(c) of 120 K. In this study, we investigated the transport properties of granular Tl-1223 tape-shaped wire in magnetic fields and compared them with properties of Y- and Bi-based tapes. It was found that the transport properties of Tl-1223 tape in a magnetic field are well explained by the granular superconductor model of Peterson and Ekin [ Phys. Rev. B 37 (1988) 9848], and are similar to those of the Y-123 tape. The effective junction thickness of Tl-1223 is improved to 1/10 that of Y-123. The weak-link behavior of Tl-1223 tape-shaped wire is discussed.

引用

页码：2634 / 2639

页数：6

共 23 条

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