Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 12, Issue 18, Pages 4600-4603Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b927068j
Keywords
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Funding
- European Commission [518271, RII3-CT-2003-505925]
- Swiss National Science Foundation [200021-119972/1]
- Swiss Federal Office of Energy
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The formation of LiBD4 by the reaction of LiD in a diborane/hydrogen atmosphere was analysed by in situ neutron diffraction and subsequent microstructural and chemical analysis of the final product. The neutron diffraction shows that nucleation of LiBD4 already starts at temperatures of 100 degrees C, i.e. in its low temperature phase (orthorhombic structure). However, even at higher temperatures the reaction is incomplete. We observe a yield of approximately 50% at a temperature of 185 degrees C. A core shell structure of the grains, in which LiBD4 forms a passivation layer on the surface of the LiD grains, was found in the subsequent microstructural (electron microscopy) and chemical (electron energy loss spectrometry) analysis.
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