A NEW-TYPE OF PINNING CENTER IN MELT GROWN ND123 AND SM123

被引：84

作者：

MURAKAMI, M

YOO, SI

HIGUCHI, T

SAKAI, N

WATABIKI, M

KOSHIZUKA, N

TANAKA, S

机构：

[1] International Superconductivity Technology Center, Superconductivity Research Laboratory, Minato-ku, Tokyo, 105

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 235卷

关键词：

D O I：

10.1016/0921-4534(94)92611-5

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

REBa(2)Cu(3)O(y) (RE: Nd, Sm) superconductors exhibit relatively high J(c) values even at 77K when melt-processed in a reduced oxygen atmosphere. The J(c) values of these superconductors are higher than those of melt processed YBa2Cu3Oy with fine Y2BaCuO5 inclusions in a high field region. The irreversibility field with H//c axis was dramatically increased to 8T at 77K. We believe that flux pinning in these superconductors is ascribable to a finely distributed RE(Ba-1-X,RE(X))(2)Cu3Oy phase in a good superconductive matrix.

引用

页码：2781 / 2782

页数：2

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