Neutron powder diffraction data for low- and high-temperature NASICON phases of LiM2(PO4)3 (M = Hf, Sn)

被引：11
|
作者：
Morin, E [1 ]
Le Mercier, T
Quarton, M
Losilla, ER
Aranda, MAG
Bruque, S
机构：
[1] Univ Paris 06, Lab Cristallochim Solide, F-75252 Paris 05, France
[2] Univ Malaga, Dept Quim Inorgan, E-29071 Malaga, Spain
来源：
POWDER DIFFRACTION | 1999年 / 14卷 / 01期
关键词：
D O I：
10.1017/S0885715600010320
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The new diffraction patterns of the low- and high-temperature phases of Li0.87Hf2.032(PO4)(3) and LiSn2(PO4)(3) are given and indexed on the basis of a structure refinement from neutron powder data using Rietveld method. The two isotypic compounds present a reversible phase transition: triclinic (LT, space group P (1) over bar) reversible arrow rhombohedral (HT, space group R (3) over bar c) which proceeds by topotactic distortion of the structural skeleton. (C) 1999 International Centre for Diffraction Data. [S0885-7156(98)00702-7].
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页码：53 / 60
页数：8
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