Single crystals of tribarium diyttrium hexaborate, which crystallized in the cubic system, have been obtained by spontaneous crystallization from a high‐temperature melt using Li2O–BaO–B2O3 as flux. Its structure is composed of isolated [B2O5]4− groups, irregular BaO9 polyhedra and regular YO6 polyhedra which occupy alternate sites running along the  direction. Irregular BaO9 polyhedra and regular YO6 polyhedra construct a three‐dimensional framework, which is reinforced by [B2O5]4− groups.
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Document Type: Research Article
Publication date: July 15, 2011