PHASE IDENTIFICATION IN THE TL2O3-BAO SYSTEM - BA2TL2O5 AND BA4TL6O13

被引：7
|
作者：
ZHOU, W
LIU, RS
EDWARDS, PP
机构：
[1] Interdisciplinary Research Centre in Superconductivity, University of Cambridge, Cambridge, CB3 0HE, Madingley Road
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 1990年 / 87卷 / 02期
关键词：
D O I：
10.1016/0022-4596(90)90053-Z
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Ba2Tl2O5 has been reinvestigated by a combination of X-ray diffraction, electron diffraction, and energy dispersive X-ray spectroscopy. A new monoclinic unit cell was observed with a = 5.836, b = 6.226, c = 17.342 Å, and γ = 91.34°. The impurity phase coexisting with Ba2Tl2O5 was determined to be Ba4Tl6O13, having an orthorhombic unit cell with a = 5.748, b = 7.221, and c = 9.361 Å. The possible mechanism of solid-solid reaction of Ba, Tl oxides is discussed. © 1990.
引用
收藏
页码：472 / 478
页数：7
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