INFLUENCE OF LEAD SUBSTITUTION ON THE PROPERTIES OF BISRCACUO SUPERCONDUCTING CERAMICS AND CRYSTALS

被引：8

作者：

PIERRE, L

SCHNECK, J

MORIN, D

TOLEDANO, JC

PRIMOT, J

DAGUET, C

SAVARY, H

机构：

[1] C.N.E.T. 196 Avenue Henri Ravera

来源：

FERROELECTRICS | 1990年 / 105卷

关键词：

D O I：

10.1080/00150199008224622

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have examined systematically the influence of substitution of lead to bismuth in [formula omitted], superconductors. The stabilisation of the (2223) phase is greatly promoted for substitution between 0.5 and 0.7 Bi in the above formula, and virtually single phase ceramics have been obtained, with zero resistivity at T=108K. In (2212) single crystals, we have observed an intermodulation of the incommensurate wave already present in the lead free compounds and the wave specific of lead doping. The wavelength of the latter modulation increases with the lead content. These results are discussed with respect to the increase of the strengh of the bonding between Bi-0 layers, present in the structure of these materials, induced by the lead substitution. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：81 / 86

页数：6

共 8 条

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