Crystal structure of a layered perovskite, barium europium manganese oxide [BaEu2Mn2O7]

被引：8

作者：

Ueno, S

Meng, J

Kamegashira, N

SaitoNakano, H

Enami, K

机构：

[1] RYUKOKU UNIV, ELECTRON MICROSCOPE LAB, OTSU, SHIGA 52021, JAPAN

[2] RYUKOKU UNIV, DEPT MECH & SYST ENGN, OTSU, SHIGA 52021, JAPAN

来源：

MATERIALS RESEARCH BULLETIN | 1996年 / 31卷 / 05期

关键词：

oxides; X-ray diffraction; crystal structure;

D O I：

10.1016/S0025-5408(96)00032-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystal structure of BaEu2Mn2O7 with a layered perovskite was determined for the powder X-ray diffraction data by Rietveld analysis. The unit cell is orthorhombic with a a(0) = 0.5503(1), b(0) = 0.5481(3), c(0) = 2.030(9) nm amd Z = 4 with the space group Fmmm. The oxygen octahedron in this Structure was elongated along c axis and distorted along [110](t) direction of fundamental body centered tetragonal cell due to Jahn-Teller effect.

引用

页码：497 / 502

页数：6

共 15 条

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