Novel Functions of Silver on Superconducting Properties for RE123 Melt-Solidified Bulks

被引：13

作者：

Nakashima, Takayoshi ^{[1
]}

Ishii, Yui ^{[1
]}

Katayama, Takato ^{[1
]}

Ogino, Hiraku ^{[1
]}

Horii, Shigeru ^{[1
]}

Shimoyama, Jun-ichi ^{[1
]}

Kishio, Kohji ^{[1
]}

机构：

[1] Univ Tokyo, Dept Appl Chem, Bunkyo Ku, Tokyo 1138656, Japan

来源：

8TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS'07) | 2008年 / 97卷

关键词：

D O I：

10.1088/1742-6596/97/1/012007

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The intrinsic effects of Ag-addition on crystal structure and superconducting properties of Y123 melt-solidified bulks have been investigated. Increased c-axis length and decreases of maximum T-c and carrier density caused by Ag-addition suggested the incorporation of Ag into the Y123 matrix, in which Ag+ was considered to substitute for Cu ion of Cu-O chain. It was also found that Ag-addition enhanced J(c) properties all applied fields at 77 K. The distinct second peak of J(c) observed for the Ag-added bulk suggested that the Ag-incorporated regions acted as effective pinning centers under disordered vortex lattice.

引用

页数：4

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