Oxygen mobility in yttrium hydride films studied by isotopic labelling

Oxygen mobility in yttrium hydride films studied by isotopic labelling

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The photochromic properties of oxygen-containing yttrium hydride thin films are directly dependent on the oxygen concentration in the material.We use 16O/18O labelling to study oxidation of YH2 films.Oxygen penetrates twist crimson crush the film through grain boundaries and intercolumnar voids oxidising the whole film thickness, without pronounced surface oxidation or self-passivation.

Once oxidised, the mobility of oxygen in the films is low and no detectable changes in bernhardt arctic dining table chemical composition of 18O-labeled YHO films is found under illumination.