SODIUM YTTERBIUM ORTHO-PHOSPHATE NA3(1+X)YB(2-X) (PO4)3

被引：41

作者：

SALMON, R

PARENT, C

VLASSE, M

LEFLEM, G

机构：

[1] Laboratoire de Chimie du Solide du CNRS Université de Bordeaux I 351, cours de la Libération, 33405, Talence Cedex

来源：

MATERIALS RESEARCH BULLETIN | 1979年 / 14卷 / 01期

关键词：

D O I：

10.1016/0025-5408(79)90235-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new sodium ytterbium orthophosphate with general formula Na3(1+x)Yb(2-x)(PO4)3 (0.07 ≤ x ≤ 0.50) has been prepared and characterized. Its crystal structure has been determined from a single crystal for x = 0.50. The space group is R3̄c, the lattice constants are : a = 9.12(1) A ̊, c = 21.81(6) A ̊. The structure of Na4.50Yb1.50(PO4)3 is related to that of NaZr2(PO4)3. The PO4 tetrahedra and the (Yb,Na)O6 octahedra form a three-dimensional skeleton in which the remaining sodium atoms are inserted. This structural type is also found for the phases Na4.50Ln1.50(PO4)3 (Ln = Tm, Lu) and Na4.50Ln1.50(AsO4)3 (Ln = Er, Tm, Yb, Lu). © 1979.

引用

页码：85 / 89

页数：5

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