High-energy ball-milling for the synthesis of Ag-B superconducting materials

被引：6

作者：

Ahn, J. -H. ^{[1
]}

Oh, S. ^{[2
]}

机构：

[1] Andong Natl Univ, Dept Mat Engn, Andong 760749, Gyungbuk, South Korea

[2] Natl Fus Res Inst, Fus Technol Dev Grp, Taejon 305333, South Korea

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 504卷

关键词：

Superconductors; Mechanical alloying; Flux pinning; Solid state reaction;

D O I：

10.1016/j.jallcom.2010.03.033

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Superconducting Ag-B (1: 2) materials were obtained by high-energy ball-milling. The planetary ball-milled powder exhibited a T-c = 8K which is higher than the previously reported value (T-c = 6.7 K) in thin films. Superconductivity appeared under a specific milling condition and a subsequent anneal suppressed superconducting transition. Although the existence of AgB2 was not clearly confirmed, the observed superconductivity might be related to this phase or other unspecified minor phases formed during milling. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：S292 / S294

页数：3

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