Chemical tracer diffusion of Sr and Co in polycrystalline Ca-deficient CaMnO3-δ with CaMn2O4 precipitates.

Diffusivity in the A- and B-sites CaMnO3 polycrystalline perovskite-δ-deficient Ca and spinel CaMn2O4 (marokite) as a secondary phase was studied using chemical tracers and secondary