Video 2. Lattice dynamics for an unstable lattice.

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${\displaystyle \mathrm{\Delta }{G}_{\mathrm{h}\mathrm{e}\mathrm{x}}=-5.62k_{\mathrm{B}}T}$. k_a^2D (nm²/μs)=2.5 × 10^–2; gap between each frame: 10 ms; overall time length: 4.5 s.