Evidence for percolation diffusion of cations and reordering in disordered pyrochlore from accelerated molecular dynamics

Diffusion plays an important role in sintering, damage tolerance and transport. Here authors perform classical and accelerated molecular dynamics simulations of vacancy-mediated cation diffusion in Gd2Ti2O7 pyrochlore and report non-monotonic evolution of cation diffusivity.

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Bibliographic Details
Main Authors: Romain Perriot, Blas P. Uberuaga, Richard J. Zamora, Danny Perez, Arthur F. Voter
Format: article
Language:EN
Published: Nature Portfolio 2017
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Online Access:https://doaj.org/article/c55c15f5bf7445c3842018087b432bf3
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Summary:Diffusion plays an important role in sintering, damage tolerance and transport. Here authors perform classical and accelerated molecular dynamics simulations of vacancy-mediated cation diffusion in Gd2Ti2O7 pyrochlore and report non-monotonic evolution of cation diffusivity.