NEW LAYERED PEROVSKITES - ABINB2O7 AND APB2NB3O10 (A=RB OR CS)

被引：65

作者：

SUBRAMANIAN, MA

GOPALAKRISHNAN, J

SLEIGHT, AW

机构：

[1] DuPont, United States

来源：

MATERIALS RESEARCH BULLETIN | 1988年 / 23卷 / 06期

关键词：

Alkali Metal Compounds - Electric Conductivity - Crystals - Structure - Oxides - Ionic Conduction;

D O I：

10.1016/0025-5408(88)90077-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

New bismuth- and lead-niobates of formulas ABiNb2O7 and APb2Nb3O10 where A = Rb or Cs crystallizing in layered perovskite structures have been synthesized. The interlayer alkali ions in these compounds are easily exchanged for protons. The protonated oxides exhibit proton conductivity in the range 10-6 ohm-1cm-1 at room temperature. The formation of ABiNb2O7 compositions in layered perovskite structure in preference to pyrochlore structure is discussed.

引用

页码：837 / 842

页数：6

共 13 条

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