Is barium titanate (BaTiO3) thin film martensite? Recently, Everhardt et al., in PRL (123, 087603 (2019)), show that as temperature increases, the domain evolution shows period-doubling bifurcation accompanies structural change as well.
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$\begingroup$ By default,- no. But it can be prepared in that state by diffusionless transformation. $\endgroup$– Agnius VasiliauskasCommented Dec 2 at 7:45
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