Fe(IV) Disproportionation in AFeO3 (A = Ca, Sr) Perovskite Lattices Studied by 119Sn Diamagnetic Probe Mössbauer Spectroscopy L. Fournès, G. Demazeau, S. Darracq, J. Etourneau, P. Fabritchnyi, I. A. Presniakov, K. V. Pokholok et V. P. GorkovJ. Phys. IV France, 07 C1 (1997) C1-363-C1-364DOI: https://doi.org/10.1051/jp4:19971148