Preparation and characterization of the superconductor CaLaBaCu2.8(BO3)0.2O6.4 compound

被引：3

作者：

Bustamante, DA

Bellido, QR

De Los Santos, VL

González, JC

机构：

[1] Univ Nacl Mayor San Marcos, Fac Ciencias Fis, Lab Superconductividad, Lima 14, Peru

[2] CSIC, Inst Ciencia Mat Barcelona, E-08193 Barcelona, Spain

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2004年 / 408卷

关键词：

borate; Rietveld refinement;

D O I：

10.1016/j.physc.2004.03.231

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the study of the CaLaBaCu2.80(BO3)(0.2)O-6.4-compound which is superconductor at the critical temperature of 68 K. This compound was prepared by the solid state reaction method under normal conditions of pressure and temperature, replacing a percentage of copper (x = 6.7%) from CaLaBaCu3O7-delta (La1113) by the oxianion borate (BO3)(3-). T-c onset was determined by measurements of magnetic susceptibility by using a SQUID detection system. The X-ray Rietveld analysis of this compound can be characterized by orthorhombic symmetry (Pmmm). (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：884 / 885

页数：2

共 6 条

[1]

BUSTAMANATE A, 1996, S INTERACTIONS C, V1, P178

[2]

BUSTAMANTE DA, 2000, PHYSICA C, V341, P635

[3] Anion substitutions and insertions in copper oxide superconductors [J].