Neutron diffraction studies of the Ba3Ca1+yNb2-yO9-δ+xD2O high-temperature proton conductor

被引：8
|
作者：
Sosnowska, I
Schäfer, W
Przenioslo, R
Lind, K
Hempelmann, R
机构：
[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[2] Univ Bonn, Inst Mineral, D-53117 Bonn, Germany
[3] Univ Saarlandes, D-66123 Saarbrucken, Germany
来源：
PHYSICA B | 2000年 / 276卷
关键词：
ceramics; perovskite compounds; phase transitions; diffraction; disordered materials;
D O I：
10.1016/S0921-4526(99)01313-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Recently, a new long-range order was observed in the Ba3Ca1.18Nb1.82O9-delta + xD(2)O proton conductor, where x not equal 0. In order to get more information concerning atomic arrangements in these complex perovskite oxides systematic neutron and X-ray diffraction studies of the stoichiometric and non-stiochiometric compound with and without D2O were performed. Oxygen positions and oxygen concentration were determined. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：864 / 865
页数：2
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