Hydrothermal Preparation of Ultrafine Ferrites and Their Sintering
Authors:
- 1 January 1988
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 71 (1) , C-26-C-28
Abstract
Ultrafine and nearly spherical ferrites such as NiFe 2 O 4 , ZnFe 2 O 4 , Ni x Zn 1−x Fe 2 O 4 , Mn 0.5 Zn 0.5 Fe 2 O 4 , and CoFe 2 O 4 were prepared under mild hydrothermal conditions by precipitating from metal nitrates with aqueous ammonia. These hydrothermal ferrite powders were shown to sinter to almost theoretical density at 1000°C without any sintering aids.Keywords
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