Texture development in Bi-based superconductors grown in high magnetic fields and its effect on transformation of Bi(Pb)2212 to Bi(Pb)2223

被引：10
|
作者：
Maeda, H
Chen, WP [1 ]
Inaba, T
Sato, M
Watanabe, K
Motokawa, M
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Kitami Inst Technol, Kitami, Hokkaido 0908507, Japan
[3] Japan Sci & Technol Corp, CREST, Tsukuba, Ibaraki 3050047, Japan
来源：
PHYSICA C | 2001年 / 354卷 / 1-4期
关键词：
Bi(Pb)2212; Bi(Fb)2223; bulk; texture;
D O I：
10.1016/S0921-4534(01)00050-8
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ag-doped Bi2212 bulks with a magnetization anisotropy factor at 5 K as high as 6.5 have been obtained by magnetic melt processing (MMP) in a magnetic field of 13 T, which shows that high magnetic fields are of great importance to achieve extremely high texture in Bi2212 bulks. Some texture is also introduced in Bi(Pb)2212-based bulks by MMP. This texture can result in a texture development in the Bi(Pb)2223 phase when most Bi(Pb)2212 is transformed into Bi(Pb)2223 using a long sintering time, which suggests that there is a correlation between the grain alignment of Bi(Pb)2223 and its precursor Bi(Pb)2212. The atmosphere of 1% O-2 + Ar is found especially useful for MMP of Bi(Pb)2212-based bulks from which Bi(Pb)2223 of high content can be formed. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：338 / 341
页数：4
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