Effects of nano-ZrO2 particles on the superconductivity of Pb-doped BSCCO

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	Effects of nano-ZrO2 particles on the superconductivity of Pb-doped BSCCO
	Z. Y. Jia; H. Tang; Z. Q. Yang; Y. T. Xing; Y. Z. Wang; G. W. Qiao
	2000
发表期刊	Physica C-Superconductivity and Its Applications
ISSN	0921-4534
卷号	337 期号:1-4 页码:130-132
摘要	The major limitations of Bi-system superconductor application are the intergrain weak links and weak flux pinning capability. In order to promote the practical application of Bi-system superconductor, effective flux pinning centers must be artificially introduced into HTS to enhance the flux pinning capability. With those goals, we have investigated the effects of nanometer-sized ZrO2 addition on flux pinning capability of the bulk Pb-doped Bi-2223 by using of X-ray diffraction (XRD), DC resistivity, rho, AC susceptibility, c, and magnetic hysteresis loops measurements. We have prepared samples by Bi,Bi1.8Pb0.4Sr2Ca2.2Cu3O10+y (nano-ZrO2)(x) with x range from 0 to 0.5. The results show that, with the increasing of x-, the T-c (onset) drops down gradually. However, the measurements of the critical current density, J(c), show that appropriate amount-doped nano-ZrO2 greatly enhance the values of J(c) under magnetic fields. According to the results of XRD patterns, there are slight reflection peaks of ZrO2-related nonsuperconducting compounds. It is believed that these nonsuperconducting ZrO2-related compounds act as effective flux pinning centers. (C) 2000 Elsevier Science B.V. All rights reserved.
部门归属	acad sinica, inst met res, shenyang 110015, peoples r china.;jia, zy (reprint author), acad sinica, inst met res, 72 wenhua rd, shenyang 110015, peoples r china
关键词	Nano-zro Particles Superconductivity Pb-doped Bscco Critical-current Densities Microstructure Composites Wires
URL	查看原文
WOS记录号	WOS:000088686400025
引用统计	被引频次：98[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/37059
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. Y. Jia,H. Tang,Z. Q. Yang,et al. Effects of nano-ZrO2 particles on the superconductivity of Pb-doped BSCCO[J]. Physica C-Superconductivity and Its Applications,2000,337(1-4):130-132.
APA	Z. Y. Jia,H. Tang,Z. Q. Yang,Y. T. Xing,Y. Z. Wang,&G. W. Qiao.(2000).Effects of nano-ZrO2 particles on the superconductivity of Pb-doped BSCCO.Physica C-Superconductivity and Its Applications,337(1-4),130-132.
MLA	Z. Y. Jia,et al."Effects of nano-ZrO2 particles on the superconductivity of Pb-doped BSCCO".Physica C-Superconductivity and Its Applications 337.1-4(2000):130-132.