NONSTOICHIOMETRY IN LANTHANIDE SUBSTITUTED BA2FE2O5+DELTA

被引：4
|
作者：
PARRAS, M [1 ]
GARCIA, E [1 ]
CALBET, JMG [1 ]
VALLETREGI, M [1 ]
机构：
[1] UNIV COMPLUTENSE MADRID,FAC FARM,DEPT QUIM INORGAN & BIOINORGAN,E-28040 MADRID,SPAIN
来源：
JOURNAL OF THE LESS-COMMON METALS | 1991年 / 169卷 / 01期
关键词：
D O I：
10.1016/0022-5088(91)90232-S
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A new family of perovskite related materials with the general composition BaFe0.9Ln0.1O2.59 (Ln = Dy, Ho, Er and Y) has been isolated. The study by X-ray powder and electron diffraction and high-resolution electron microscopy shows these samples to be formed by a simple cubic cell. The anionic vacancy distribution is compared with that observed in high-temperature ABO2.50 oxygen-deficient related perovskite.
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页码：25 / 31
页数：7
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