*T. Matsudaira, M. Wada, N. Kawashima, M. Takeuchi, D. Yokoe, T. Kato, M. Takata, S. Kitaoka, “Mass transfer in polycrystalline ytterbium monosilicate under oxygen potential gradients at high temperatures”, J. Eur. Ceram. Soc.,41, 3150-3160 (2021).