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Acta Crystallographica Section B Acta Crystallographica Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS |
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![[Figure 3]](/b/issues/2025/03/00/yh5041/yh5041fig3mag.jpg)
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| Figure 3 (a) The sum of the squares of each hkl reflection where k + l, h + l, h + k = odd, normalized by k + l, h + l, h + k = even, respectively. Excluding reflections where h, k, l = 0. (b) Distortion mode amplitudes as a function of temperature with inset showing hybrid improper coupling in the A21am phase. Blue and green indicate the A21am and Pnab phases, respectively. |
![[Figure 3]](https://journals.iucr.org/10.1107/S2052520625002306/yh5041fig3.jpg)
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STRUCTURAL SCIENCE CRYSTAL ENGINEERING MATERIALS |
ISSN: 2052-5206
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