Synthesis and characterization of n=5, 6 members of the La4Srn-4TinO3n+2 series with layered structure based upon perovskite

被引：10
|
作者：
Canales-Vázquez, JS [1 ]
Irvine, JTS [1 ]
Zhou, WZ [1 ]
机构：
[1] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2004年 / 177卷 / 06期
关键词：
A(n)B(n)O(3n+2); layered perovskites; HRTEM; XRD; structural characterization;
D O I：
10.1016/j.jssc.2004.02.014
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Layered compounds have been synthesized and structurally characterized for the n = 5 and 6 members of the perovskite-related family La4Srn-4TinO3n+2 by combining X-ray diffraction and transmission electron microscopy. Their structure can be regarded as comprising [(La,Sr)(5)Ti5O17] and [(La,Sr)(6)Ti6O20] perovskite blocks joined by crystallographic shears along the a-axis, with consecutive blocks shifted by 1/2 [100](p). The n = 5 member is similar to the previously reported n = 5 member of other A(n)B(n)O(3n+2) related series. The it = 6 member, which has only been briefly reported in other systems previously, is also a well-behaved member of this A(n)B(n)O(3n+2) series. (C) 2004 Elsevier Inc. All rights reserved.
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收藏
页码：2039 / 2043
页数：5
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