Accepted manuscript of 'The grain growth kinetics of bridgmanite at the topmost lower mantle' by Fei et al. [Earth Planet. Sci. Lett., 561, 116820, 2021]

Accepted manuscript of Fei, H., Faul, U., Katsura, T., The grain growth kinetics of bridgmanite at the topmost lower mantle,Earth Planet. Sci. Lett.,561, 116820, 2021. 10.1016/j.epsl.2021.116820 https://doi.org/10.1016/j.epsl.2021.116820