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Figure 6
(a) HAADF-STEM image of the unit cell, obtained by segmenting the entire area of the image in Fig. 2[link] into unit cells, extracting them, superimposing and averaging. Simulation HAADF-STEM image of the unit cell for the crystal structure model (b) with and (c) without Cu3 atoms, respectively, projected along [100]. (d) Crystal structure model, viewed along [100]. (e)–(g) The intensity profiles on the white dashed lines in the HAADF-STEM and simulation images (a)–(c), respectively. Significant intensity is obviously observed at the Cu3 position in images (a) and (b). (h) Partial structure models around (left) Cu3 and (right) Cu1 atoms.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 81| Part 6| December 2025| Pages 565-571
https://doi.org/10.1107/S2052520625008820
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