Evidently, the diffusion coefficient is delicate to impurities or structural challenges within the crystal, but That is still to get quantified. For our rough estimates of some time at temperature necessary to take away the hydrogen from our samples, the hydrogen diffusion coefficient chosen is the fact that specified by https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share