MICROSTRUCTURES AND JC-B CHARACTERISTICS OF AG-SHEATHED BI-BASED SUPERCONDUCTING WIRES

被引:116
作者
UEYAMA, M
HIKATA, T
KATO, T
SATO, K
机构
[1] Osaka Research Laboratories, Sumitomo Electric Industries, Ltd., Osaka, 554, 1-1-3 Shimaya, Konohanaku
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1991年 / 30卷 / 8A期
关键词
AG-SHEATHED SUPERCONDUCTING WIRE; (BI; PB)-SR-CA-CU-O; CRITICAL CURRENT DENSITY; MICROSTRUCTURE; JC-B CHARACTERISTICS;
D O I
10.1143/JJAP.30.L1384
中图分类号
O59 [应用物理学];
学科分类号
摘要
We prepared silver-sheathed BiPbSrCaCuO wires by the powder-in-tube method. Maximum critical current densities at 77.3 K were 5.4 x 10(4) A.cm-2 in a zero magnetic field, 4.2 x 10(4) A.cm-2 at 0.1 T and 1.2 x 10(4) A.cm-2 at 1 T. At 77.3 K, as the J(c) improves, the history effects decrease. J(c) and J(c)-B enhancements are due to the decrease and dispersion of nonsuperconducting phases, and to grain boundary improvements.
引用
收藏
页码:L1384 / L1386
页数:3
相关论文
共 5 条
[1]   MAGNETIC-FIELD DEPENDENCE OF CRITICAL CURRENT-DENSITY IN BI-PB-SR-CA-CU-O SILVER SHEATHED WIRE [J].
HIKATA, T ;
UEYAMA, M ;
MUKAI, H ;
SATO, K .
CRYOGENICS, 1990, 30 (11) :924-929
[2]  
HIKATA T, 1989, JPN J APPL PHYS, V28, pL1024
[3]   A NEW HIGH-TC OXIDE SUPERCONDUCTOR WITHOUT A RARE-EARTH ELEMENT [J].
MAEDA, H ;
TANAKA, Y ;
FUKUTOMI, M ;
ASANO, T .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1988, 27 (02) :L209-L210
[4]   HIGH-JC SILVER-SHEATHED BI-BASED SUPERCONDUCTING WIRES [J].
SATO, K ;
HIKATA, T ;
MUKAI, H ;
UEYAMA, M ;
SHIBUTA, N ;
KATO, T ;
MASUDA, T ;
NAGATA, M ;
IWATA, K ;
MITSUI, T .
IEEE TRANSACTIONS ON MAGNETICS, 1991, 27 (02) :1231-1238
[5]   HIGH-TC PHASE PROMOTED AND STABILIZED IN THE BI, PB-SR-CA-CU-O SYSTEM [J].
TAKANO, M ;
TAKADA, J ;
ODA, K ;
KITAGUCHI, H ;
MIURA, Y ;
IKEDA, Y ;
TOMII, Y ;
MAZAKI, H .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1988, 27 (06) :L1041-L1043