Synthesis, X-Ray, Neutron and Magnetic Studies of New In-Plane Anisotropy M-Hexaferrites BaFe12-2xAxMexO19 (A = Ru, Ir ; Me = Co, Zn) E. Brando, H. Vincent et J. Rodriguez-CarjavalJ. Phys. IV France, 07 C1 (1997) C1-303-C1-306DOI: https://doi.org/10.1051/jp4:19971119