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

被引：67
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.
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收藏
页码：837 / 842
页数：6
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