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Figure 12
The φ angle is the angle between the Zr—O bonds and the a unit-cell axis (and the a + b direction) when the bond is projected onto the ab plane. Definition of the φ angle is depicted in (a) the [R{\bar 3}] space group. Variation in the angle is systematically plotted for (b) SrZP and (c) CaZP. Datasets are shown for both heating and cooling.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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