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Figure 17
Free energies of the single-scale periodic structures in the BDL model: in this model, the free energy of the hexagonal structure is always lower than that of the lamellar structure, so we need not consider it further. The hexagonal structure is the equilibrium phase up to T ≃ 1.063, where it undergoes a first-order transition to the uniform liquid phase. Colored dots correspond to temperatures below which the Fourier amplitude [{\tilde \rho}] reaches its maximum value and the free energy becomes a linear function of the temperature.

IUCrJ
Volume 5| Part 3| May 2018| Pages 247-268
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518001161