SYNTHESIS AND MAGNETIC PROPERTIES OF PLATELET SHAPE SPINEL AND M-TYPE HEXAGONAL FERRITES PREPARED FROM β' ALUMINA-LIKE FERRITES BY ION EXCHANGE O. Kalogirou, A. C. Stergiou, D. Samaras, S. Nicolopoulos, A. Bekka, H. Vincent et J. C. JoubertJ. Phys. Colloques, 49 C8 (1988) C8-937-C8-938DOI: https://doi.org/10.1051/jphyscol:19888427
