The decomposition of LiAlD4 studied by in-situ X-ray and neutron diffraction

被引：74

作者：

Brinks, HW

Hauback, BC

Norby, P

Fjellvåg, H

机构：

[1] Inst Energy Technol, Dept Phys, N-2027 Kjeller, Norway

[2] Univ Oslo, N-0315 Oslo, Norway

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2003年 / 351卷 / 1-2期

关键词：

metal hydrides; crystal structure; gas-solid reaction; neutron diffraction; X-ray diffraction;

D O I：

10.1016/S0925-8388(02)01021-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The decomposition of LiAlD4 was studied by thermal desorption spectroscopy and neutron and synchrotron X-ray in-situ diffraction. The first two reaction stages (3LiAlD(4)=Li3AlD6+2Al+3D(2) and Li3AlD6=3LiD+Al+3/2D(2)) were confirmed. No other intermediate phases were observed. Both reactions are very heat-rate dependent. The lowest temperature measured for complete reactions were 112 and 127 degreesC, respectively. Based on refinements of the unit-cell dimensions, neither LiAlD4 nor LiAlD4 lose any D-2 prior to their thermal decompositions. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：222 / 227

页数：6

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