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Figure 2
Crystal structure of malayaite in projection along [100] (a) and distortions caused by low- or imaginary-frequency Bg and Bu phonon modes (b)–(e). Green arrows indicate the relative motion of Ca atoms. The amplitude of the displacements is exaggerated for clarity. Si atoms are shown in light brown, Sn in grey, Ca in green and O in red.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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