Reinvestigation of the structure of BaCuSi2O6 – evidence for a phase transition at high temperature

Sparta, K.M.; Roth, G.

doi:10.1107/S0108768104011644

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 2
Comparison between the average model (Finger et al., 1989

) and the one taking into account the superstructure: Projection of a Cu₂Si₄O₁₂ layer onto the (a, b) plane. The spheres represent the Ba atoms, the tetrahedra the SiO₄ groups and the planar squares the CuO₄ groups. Left: Average model I $[\bar 4]$ m2. Right: Model in the space group I4₁/acd.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 60| Part 5| September 2004| Pages 491-495

doi:10.1107/S0108768104011644

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