Abstract

AbstractA crystallization study of the TeO2–InF3 glass system shows that the specific glass composition 75TeO2–25InF3 stabilizes a novel cubic anti‐glass phase within the glass matrix upon heat treatment. This peculiar crystalline phase also called “glass of anions” exhibits an interesting order/disorder coexistence, that is, a long‐range cation order but with a highly disordered anion sublattice. The thermal properties, structure and microstructure of the parent glass and corresponding glass‐ceramics have been studied. Finally, the luminescence of Yb3+‐doped glass‐ceramics has been characterized, which confirmed the presence of the disordered anti‐glass phase.

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