GROWTH-MECHANISM OF HIGH-TC PHASE IN LEADED BI-SR-CA-CU-O SYSTEM

被引：23

作者：

HATANO, T

AOTA, K

HATTORI, H

IKEDA, S

NAKAMURA, K

OGAWA, K

机构：

[1] National Research Institute for Metals, Tsukuba-shi, Ibaraki, 305, 1-2-1, Sengen

来源：

CRYOGENICS | 1990年 / 30卷 / 07期

关键词：

Bi-Pb-Sr-Ca-Cu-O compounds; Bl-Sr-Ca-Cu-O compounds; growth mechanisms; high T[!sub]c[!/sub] phase; oxide superconductors; partial melting;

D O I：

10.1016/0011-2275(90)90294-M

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The growth mechanism of the high Tc phase in the leaded Bi-Sr-Ca-Cu-O system has been studied. It is shown that the crystal growth of the high Tc phase takes place with the coexistence of a partial melting phase. A growth mechanism is proposed in which the high Tc phase precipitates from the melting phase during sintering. The solidification of the melting phase during the subsequent cooling process becomes an inevitable cause of the limited critical current density in this system. © 1990.

引用

页码：611 / 613

页数：3

共 8 条

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