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Dr. Ivan P. Parkin, Gareth Elwin, DR. Luis Fernández Barquin, Quang T. Bui, Dr. Quentin A. Pankhurst, DR. Alexei V. Komarov and Dr. Yuri G. Morozov Self-Propagating High Temperature Synthesis of Hexagonal Ferrites MFe12O19 (M = Sr, Ba) Advanced Materials 9

Version of Record online: 29 OCT 2004 | DOI: 10.1002/adma.19970090811

Hexagonal ferrites, materials widely used for permanent bard magnets, are currently commercially synthesized by multistep ceramic methods. Alternative routes are also multistep as well as being time-consuming and expensive. Teh self-propagating, high-temperature synthesis (SHS) presented here is convenient, quick, inexpensive, and single-step and it enables a range of ferrites, SrxBayFe12O19 (x + y equals; 1), to be prepared. The principles of SHS are briefly explained before the characterization of the reaction products, including their magnetic properties, is described.

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