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New magneto-dielectric cobalt ferrite (CFO)- titania (TO) ceramic in situ composites were prepared by reactive sintering. Magnetic permeability was investigated and correlated to the microstructure of the sintered ceramic composite bodies. We have obtained highly densified ceramic composites with CFO dispersed in two different dielectric matrices. The formation of a new ternary compound Fe2CoTi3O10...
We have investigated dielectric response of Ba2PrxNd1−xFeNb4O15 ceramics (x = 0, 0.2, 0.5, 0.6, 0.8, 1) in the frequency range from 20 Hz to 1 GHz. Obtained results showed a continuous transformation from the ferroelectric behavior of Ba2NdFeNb4O15 to the pure relaxor response of Ba2PrFeNb4O15 with increasing x. For intermediate x values coexistences of both ferroelectric transition and relaxor dielectric...
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