NONSTOICHIOMETRY IN THE PEROVSKITE-TYPE OXIDES - AN EVOLUTION FROM THE CLASSICAL SCHOTTKY-WAGNER MODEL TO THE RECENT HIGH-TC SUPERCONDUCTORS

被引：34

作者：

HAGENMULLER, P

POUCHARD, M

GRENIER, JC

机构：

[1] Laboratoire de Chimie du Solide, CNRS, Université de Bordeaux I, 33405 Talence Cedex

来源：

SOLID STATE IONICS | 1990年 / 43卷

关键词：

D O I：

10.1016/0167-2738(90)90464-3

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：

It will be shown on hand of many examples that the oxygen surrounding of the transition elements in the defect perovskite-type oxides and derived compounds depends on the electronic configuration, the d-electron localization and the ability to disproportionate. Possibilities of A-cation (and eventually B-cation) ordering or of oxygen excess will also be mentioned. Superconductivity will be presented as a logical property closely related to the crystal structure of the involved materials. © 1990.

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页码：7 / 18

页数：12

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