Magnetic and Structural Characterisation of PbFe12-xCrxO19 (1.0 ≤ x ≤ 6.0) Hexaferrites Powders Obtained by Coprecipitation Method S. Diaz, J. L. Sanchez, F. Leccabue, B. E. Watts, G. Bocelli et G. AlbaneseJ. Phys. IV France, 07 C1 (1997) C1-331-C1-332DOI: https://doi.org/10.1051/jp4:19971132