HYDROTHERMAL AND SOLID-STATE SYNTHESIS, CRYSTAL DATA AND THERMAL-STABILITY OF MONOCLINIC AND RHOMBOHEDRAL LITHIUM ZIRCONIUM-PHOSPHATE

被引:4
|
作者
GOULD, WW [1 ]
KOMARNENI, S [1 ]
BREVAL, E [1 ]
机构
[1] PENN STATE UNIV,DEPT AGRON,UNIV PK,PA 16802
关键词
LITHIUM; ZIRCONIUM; PHOSPHATES;
D O I
10.1016/0025-5408(93)90037-E
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
There is little or no controversy about the structure and crystal chemistry of sodium zirconium phosphate (NZP) family of materials except the Li-member. The objective of this study was to establish the structure and crystal chemistry of lithium zirconium phosphate by synthesizing it under different conditions. A lithium zirconium phosphate, LiZr2(PO4)3 has been synthesized under hydrothermal conditions at 220-degrees-C. Its unit cell is monoclinic with 'a' ranging from 15.2 to 15.4angstrom, 'b' from 8.8 to 8.9angstrom, 'c' from 8.9 to 9.2angstrom and beta from 124.8 to 125.3-degrees. This phase forms also by firing stoichiometric gels below 1080-degrees-C, above which temperature a rhombohedral form of LiZr2(PO4)3 crystallizes with hexagonal axes of a = 8.856 angstrom and c = 22.205 angstrom.
引用
收藏
页码:909 / 914
页数:6
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