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Article Dans Une Revue Scripta Materialia Année : 2020

Ferroelasticity in MgSiO3 bridgmanite: Assessing the intrinsic structure and motion of (-110) twin walls with atomic-scale simulations

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Bridgmanite MgSiO3 with perovskite structure exhibits a ferroelastic behaviour via the motion of {110} twin walls. We use atomic-scale simulations to investigate the properties of (-110) twin walls in bridgmanite. We resolve their atomic structure and obtain the minimum energy path for their motion in a wide pressure range relevant to the Earth's lower mantle.
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hal-02921984 , version 1 (25-08-2020)

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Pierre Hirel, Philippe Carrez, Patrick Cordier. Ferroelasticity in MgSiO3 bridgmanite: Assessing the intrinsic structure and motion of (-110) twin walls with atomic-scale simulations. Scripta Materialia, 2020, Scripta Materialia, 188, pp.102-106. ⟨10.1016/j.scriptamat.2020.07.016⟩. ⟨hal-02921984⟩
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