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

页码：864 / 865

页数：2

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