Synthesis and crystal structure of the lanthanum titanate tellurate LaTi(Ti0.25Te0.75)O6 and its relationship to PbSb2O6 and Sr(MnTe)O6

被引：1

作者：

Wulff, L ^{[1
]}

Müller-Buschbaum, H ^{[1
]}

机构：

[1] Univ Kiel, Inst Anorgan Chem, D-24098 Kiel, Germany

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1998年 / 53卷 / 02期

关键词：

lanthanum; titanate; tellurate; crystal structure;

D O I：

10.1515/znb-1998-0203

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Single crystals of LaTi(Ti0.25Te0.75)O-6 have been prepared by solid state reactions. X-ray investigations led to trigonal symmetry, space group C-3(1)-P3, a = 5.141(10), c = 5.218(10) Angstrom, Z = 1. The compound is characterized by a predominantly ordered distribution of Ti4+ and Te6+. Typical features of the crystal structure are staggered layers containing edge connected TiO6 and (Ti,Te)O-6 octahedra. The layers are connected by La3+ ions receiving an octahedral coordination by the surrounding oxygen ions. The relationships to the PbSb2O6 type and the recently described compound Sr(MnTe)O-6 are discussed.

引用

页码：149 / 152

页数：4

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