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Figure 8
The variation of free energies as a function of temperature. The three models are described in the text. The upper part of the figure shows the total G–T curves, whereas the lower part shows the differences in free energies with respect to the δ form. The δ form therefore becomes a horizontal line at G = 0. For the γdis model we are including the entropy arising from disorder in the free energy calculation for γ.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 78| Part 3| June 2022| Pages 416-424
https://doi.org/10.1107/S2052520622004577
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