The varying temperature- and pressure-induced phase transition pathways in hybrid improper ferroelectric Sr3Sn2O7

Ladbrook, E.; Tidey, J.P.; Huang, F.-T.; Cheong, S.-W.; Daisenberger, D.; Warren, M.R.; Senn, M.S.

doi:10.1107/S2052520625002306

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 6
Distortion mode amplitudes as a function of pressure for A2₁am phase, showing the rotation, $[{\rm X}_{2}^{+}]$ , and tilt, $[{\rm X}_{3}^{-}]$ , and polar, Γ $[{}_{5}^{-}]$ , modes. Darker and lighter markers indicate a lower and higher uncertainty, respectively. A weighted linear regression was performed based on errors generated through AMPLIMODES with shaded regions showing the confidence interval of one sigma.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 81| Part 3| June 2025|

https://doi.org/10.1107/S2052520625002306

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