New members of the (Ba8CO6O18)α(Ba8Co8O24)β polysomatic series

被引：7

作者：

González-Calbet, JM ^{[1
]}

Boulahya, K ^{[1
]}

Ruiz, ML ^{[1
]}

Parras, M ^{[1
]}

机构：

[1] Univ Complutense, Fac Quim, Dept Quim Inorgan, E-28040 Madrid, Spain

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2001年 / 162卷 / 02期

关键词：

2H-related perovskite; electron diffraction; high-resolution electron microscopy; (Ba8Co6O18)(alpha)(Ba8Co8O24)(beta) polysomes; Ba26CO23O69; Ba28Co25O75; Ba44Co39O117;

D O I：

10.1006/jssc.2001.9327

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The accurate control of both stoichiometry and synthesis conditions has allowed the stabilization of new Ba-Co oxides with one-dimensional structures related to the 2H-ABO(3) hexagonal perovskite. Ba26Co23O69, Ba44Co39O117, and Ba28Co25O75 are new members of the (Ba8Co6O18)(alpha)(Ba8Co8O24)(beta) polysomatic orthorhombic series whose structural features have been characterized by electron diffraction and high-resolution electron microscopy. These polysomes are described as the ordered intergrowth between structural slabs of one-half unit cell of the o-Ba8Co7O21 and one Ba8Co8O24 2H-block in different ratios. (C) 2001 Elsevier Science.

引用

页码：322 / 326

页数：5

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