Complex inorganic structures from powder diffraction:case of tetrahydroborates of light metals

Radovan Černý and Yaroslav Filinchuk 1
  • 1  Université Catholique de Louvain, Institute of Condensed Matter and Nanosciences, Louvain-la-Neuve, Belgien

Abstract

Powder diffraction plays a central role in the characterization of light metal tetrahydroborates (borohydrides), novel boron based hydrides recognized as a potential solution for hydrogen storage. Numerous novel BH4 based materials have been investigated during the past few years and this class of materials has a fascinating structural chemistry. We review the powder diffraction methods, problems and solutions which are specific for these weakly diffracting and badly crystallized materials. Examples of highlights and pitfalls of the powder diffraction are given. Complex structures with as many as 55 independent atoms were fully characterized, and P-T phase diagrams accessible from in-situ powder diffraction enable understanding of these ionic crystals with important directional bonding.

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Zeitschrift für Kristallographie – Crystalline Materials offers a place for researchers to present results of their crystallographic studies. The journal includes theoretical as well as experimental research. It publishes Original Papers, Letters and Review Articles in manifold areas of crystallography.

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