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Figure 2
The centre of a precession photograph (Cu Kα) of the h1l layer at room temperature. The unit cell ([{\bf a}^{\bf *}, {\bf c}^{\bf *}]) and the modulation vector ([{\bf q} = 0.333{\bf a}^{\bf *} - 0.271{\bf c}^{\bf *}]) are indicated. The long arrows on the left-hand side indicate lines of main and third-order satellite reflections; the short arrows indicate those of first- and second-order satellite reflections.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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