Superconducting and transport properties of (Bi-Pb)-Sr-Ca-Cu-O with Cr2O3 additions

被引：24

作者：

Abbasi, H. ^{[1
]}

Taghipour, J. ^{[1
]}

Sedghi, H. ^{[1
]}

机构：

[1] Univ Urmia, Ctr Superconduct Res, Dept Phys, Orumiyeh, Iran

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 494卷 / 1-2期

关键词：

High temperature superconductor; Cr2O3; addition; Transport critical current density; Self-field; Magnetoresistance; BI1.6PB0.4SR2CA2-XSMXCU3OY SUPERCONDUCTORS; MAGNETIC-FIELD; FLUX; SYSTEM; TAPES;

D O I：

10.1016/j.jallcom.2010.01.018

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：

The effect of Cr2O3 additions in (Bi, Pb)-Sr-Ca-Cu-O superconductors using the conventional solid-state reaction method is reported. Cr2O3 with 0, 0.3, 0.5, 0.7, and 1.0 wt.% were added to the (Bi, Pb)-Sr-Ca-Cu-O system. The critical temperature (T-C) and transport critical current density (J(C)) were determined by the four-point probe technique. The phases in the samples were determined using the powder X-ray diffraction method. The maximum T-C and J(C) were observed for the sample with 0.5 wt.% Cr2O3. The variation in the J(C) of all the samples was explained by the effective flux pinning by Cr2O3 in the samples. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：305 / 308

页数：4

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